Sickly Days and Summer Traces on Steam - User reviews, Price & Information
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A devoted brother and his fragile sister share a quiet, dreamlike summer. As her gentle companion, speak with her, care for her, and gather the fleeting, precious fragments of a love that blooms softly in the stillness of everyday life.
Sickly Days and Summer Traces is a casual, anime and visual novel game
developed by Sister Position
and published by HIKARI SPARK.
Released on June 20th 2025 is available only on Windows
in 5 languages: Japanese, Simplified Chinese, English, Traditional Chinese and Korean.
It has received 1,774 reviews of which 1,692 were positive and 82 were negative resulting in an impressive rating of 9.1 out of 10. 😍
The game is currently priced at 19.50€ on Steam.
The Steam community has classified Sickly Days and Summer Traces into these genres:
Media & Screenshots
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System requirements
These are the minimum specifications needed to play the game. For the best experience, we recommend that you verify them.
Windows
- Requires a 64-bit processor and operating system
- OS: Windows 10 or newer
- Processor: 1.5 GHz
- Memory: 4 GB RAM
- Graphics: 512M
- DirectX: Version 9.0c
- Storage: 4 GB available space
- Sound Card: PCM
User reviews & Ratings
Explore reviews from Steam users sharing their experiences and what they love about the game.
"It's fiction... it's fiction... it's fiction... we made it up." Sickly Days and Summer Traces (which isn't the real title by the way. The real title is a bit spicier), is a visual novel developed by Sister Position, about a brother taking care (in more ways than one) of his sick sister, and pursuing happiness together. Depending on a certain condition, this game can be very wholesome or very lewd. The positives in this game are pretty straightforward. The art direction is very detailed and gorgeous, character design is on the cute side (which makes me think this is a moege VN), the voice acting is textbook Japanese quality and some of the tracks are catchy, and they are fairly tone and context consistent, but it's obvious that the devs reused some tracks for scenes that they weren't intended for. The gameplay is not what you would expect on a visual novel like this one. You can control the main character in a small map which represents the house, and you can do a wide assortment of events, which you can do in a non-linear fashion. The main objective is to raise Asumi's max HP by completing activities, so she can pass the doctor's check-ups. There are five check-ups, and anytime Asumi pass one, you can do higher tier activities (though you can unlock them even if you are in a lower tier, you just can't do the activity. You have a time limit until Asumi's check up, which increases in higher tiers. Each activity takes a day and consumes a certain amount of HP. The name of the game is to juggle time and HP consumption so you can complete the objectives set by the doctor. You can also do activities which increases the amount of HP restored by resting. If you installed the adult patch, there will be H events, which consumes higher HP than regular activities, but greatly increases max HP. But there is also the happiness metric, which decides which ending you'll get. There are three endings in total, but the true ending cannot be achieved without postponing the exam (which you can do up to three times in total, and all of them are required for the true ending). In relation with the H events, there are several which fits a theme, like outdoor sex or bondage, there are H events that don't fit into a theme, and there are H events you can redo as many times as you want (they're color-coded). And, in relation to events, there is also Asumi's status. She can be normal, tired, sick, happy and horny (this last one only applies if you have the patch installed). Each of them affects HP requirements to do any event, except for the horny state, which reduces HP requirements by 50% only in H events. Normal state doesn't provide any effects. There is a surprising amount of depth to the gameplay for a visual novel, and it kept me fairly engaged in raising max HP and happiness. But there are a few downsides to note: first, since events can be done non-linearly, there are instances where the writing becomes non-sensical, especially after unlocking the first H scene, because the characters act like they were never intimate, despite the fact that they already are. This messes up with continuity. Secondly, events cannot be failed. This means that the activity goes on without the player participating in the outcome of the event, which removes an element of challenge from the gameplay. And the writing? I think this is a very easy story to write, with a very simple plot and basic character motivations, but they do the job, for the most part, because there are issues. Something I would've appreciated is that there was a main quest/side quest format, so I could choose to follow a main storyline, which would have facilitated character arcs to be introduced, which leads to the main writing issue this game has. Since this is the story of a very non-conventional brother/sister relationship, the true feelings for each other could have led to an interesting storyline full of conflict, tension and drama. Maybe the brother doesn't know how to make of his feelings for his sister, debating between his morals and his desires, which could create conflict between him and her, and it's absolutely possible to have the event system tied with character development and relationship progression. Perhaps a bit more time in the oven could have benefitted this game. In conclusion, this is a good but could be better visual novel. The gameplay is basic but oddly rewarding, and all artistic aspects are well done. And there are a quite an amount of fetishes to be explored. And, on that note, if you are one of those people who can't tell reality from fiction, stay the hell away from this visual novel, because you WILL be offended by this game, especially with the adult patch installed (which I highly recommend to do if you're a person of culture). For all other readers, I can confidently recommend this game to you. The writing isn't bad, but it could be better, but, since there are any overly egregious writing issues in this game, then I won't make a fuss out of it.
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Let's dive into "Sickly Days and Summer Traces." So, you've got this setup where you're taking your sick sister out to the countryside, which is a pretty unique premise. Now, obviously, there are two versions of this game: censored and uncensored, and let's be real, most people checking this out are probably in it for the H-game aspects. But here's the surprise: underneath all the p0rn, there's actually a pretty decent story trying to unfold, and the whole "sims" element of the gameplay loop is genuinely half-fun, which keeps you hooked. I gotta say, the character backgrounds really drew me in. The mom's story, in particular, completely caught me off guard and was genuinely pretty sad – like, hit you right in the feels. I also loved the whole setting, just you two relying on each other to get by in the countryside. The gameplay loop of building things up isn't just about making yourselves stronger, it's also about improving your sister's health and happiness, which is a neat balance. It takes a little bit to get the hang of it, but it works, because you can't push her too hard, or she ends up back in the hospital and it's game over. That adds a nice layer of tension. Now, about those H-scenes: yeah, they're definitely there. If you play the uncensored version, they are very, very vivid, no two ways about it. For what they are, they're good, but honestly, by the end of it, I found myself more invested in the actual story and the character backstories, which is wild for an H-game. It's not what you expect, right? Of course, it's not all perfect. There are some goofy bits, like the doctor looking like she's ten years old, which is just plain stupid. And the humor can be a bit uneven; sometimes it's genuinely funny, but other times it's just super cheesy, straight-out-of-an-anime kind of humor that doesn't quite land. Overall though, it's a genuine surprise how touching (no pun intended, really!) this game can be at times, especially when paired with a somewhat decent and fun gameplay loop. On the flipside, let's be honest, 90% of you are probably just getting this to JO/Flicky Flick, so you're probably ignoring me anyway, lol. Still, I'd give it a solid 7/10.
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Extremely cute game about helping train up your cute sister's stamina by various means Said sister is also in a sundress, which is objectively one of the best outfits
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Don't worry about my playtime, I have already bought and played this on dlsite. This visual novel accomplished everything that it has set out to do: It's a pure fluffy SoL with some emotional moments in-between, god-tier art, pretty good music, lovable characters, and last but not least, some fairly kinky H-scenes if you are into that kind of things. The true ending is pretty strict in term of time limit and will require some savescumming. 10/10 would recommend
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Amazing game for all imouto lovers,very cute and healing game, highly recommend! i have copy on other site too, and it deserve to be bought once more.
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Frequently Asked Questions
Sickly Days and Summer Traces is currently priced at 19.50€ on Steam.
Sickly Days and Summer Traces is currently not on sale. You can purchase it for 19.50€ on Steam.
Sickly Days and Summer Traces received 1,692 positive votes out of a total of 1,774 achieving an impressive rating of 9.06.
😍
Sickly Days and Summer Traces was developed by Sister Position and published by HIKARI SPARK.
Sickly Days and Summer Traces is playable and fully supported on Windows.
Sickly Days and Summer Traces is not playable on MacOS.
Sickly Days and Summer Traces is not playable on Linux.
Sickly Days and Summer Traces is a single-player game.
Sickly Days and Summer Traces does not currently offer any DLC.
Sickly Days and Summer Traces does not support mods via Steam Workshop.
Sickly Days and Summer Traces does not support Steam Remote Play.
Sickly Days and Summer Traces is enabled for Steam Family Sharing. This means you can share the game with authorized users from your Steam Library, allowing them to play it on their own accounts. For more details on how the feature works, you can read the original Steam Family Sharing announcement or visit the Steam Family Sharing user guide and FAQ page.
You can find solutions or submit a support ticket by visiting the Steam Support page for Sickly Days and Summer Traces.
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Additionally, we incorporate data from the SteamSpy API, which offers insights into game sales and player statistics. This helps us present a comprehensive view of each game's popularity and performance within the gaming community.
Last Updates| Steam data | 28 January 2026 22:15 |
|---|---|
| SteamSpy data | 24 January 2026 08:52 |
| Steam price | 28 January 2026 21:01 |
| Steam reviews | 27 January 2026 08:00 |
If you'd like to dive deeper into the details about Sickly Days and Summer Traces, we invite you to check out a few dedicated websites that offer extensive information and insights. These platforms provide valuable data, analysis, and user-generated reports to enhance your understanding of the game and its performance.
- SteamDB - A comprehensive database of everything on Steam about Sickly Days and Summer Traces
- SteamCharts - Analysis of Sickly Days and Summer Traces concurrent players on Steam
- ProtonDB - Crowdsourced reports on Linux and Steam Deck Sickly Days and Summer Traces compatibility
Game modes
Features
Online players
7
Developer
Sister Position
Publisher
HIKARI SPARK
Release
20 Jun 2025
Platforms