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Thirty Days with My First Love Sister cover art
Games/Upcoming/Casual/Thirty Days with My First Love Sister
Release: Q4 2027

Thirty Days with My First Love Sister

by lucky_tree_dev·Casual, Indie, RPG, Simulation

All video footage, with its characters, scenes and music, is AI-generated; dialogue and code are hand-made.

Art (Core)Music & SFX (Core)
Wishlist on Steam@lucky_tree_dev
OverviewSummaryHow AI is usedGrowthRankingsDeveloperSimilar games
Thirty Days with My First Love Sister

Overview

PV 1PV 1

A pure love story with your childhood sweetheart who returns from abroad. Spend thirty heartwarming days together, make choices, deepen your bond, and unlock multiple sweet endings in this fully video-based interactive romance game.

Visual NovelDating SimLife SimTime ManagementFMVRomanceExploration2DAnimeCasual

Summary

Steam followers11Tracking since Sep 23, 2026Steam · public
Followers 24h—Tracking since Sep 23, 2026

Shares AI uses or genres with Thirty Days with My First Love Sister

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Steam · daily
7-day growth—Tracking since Sep 23, 2026Nov 4 – Nov 10
Wishlists est.130Likely 80–220GameDB estimate

AI disclosure

How AI is used

Source: Steam AI disclosure · checked Nov 8, 2026

GameDB AI label

AI in 2 of 8 areas
  • In-game AINot stated
  • CodeNot used
  • ArtCore
  • Music & SFXCore
  • VoiceNot stated
  • WritingNot used
  • TranslationNot stated
  • MarketingNot stated
ArtCore

All in-game video footage, including characters, scenes and cutscenes, is generated with AI tools.

Music & SFXCore

The music in the in-game video footage is generated with AI tools.

Not used, per the developer
CodeWriting
Not mentioned
In-game AIVoiceTranslationMarketing
Read the full disclosureQuoted from the Steam store page

All in-game video footage (including characters, scenes, cutscenes,music) is generated using AI tools.

Dialogue writing, choice design, stat system, UI design, programming are hand-crafted by the development team.

CorePartialAssistPlaceholder

Followers

Growth

Steam followers

11 now · Daily snapshot of public Steam data

4681012Oct 1Oct 15Nov 111

Upcoming chart · Nov 4 – Nov 10

Rankings

Open the chart
#2574

Trending · Upcoming

Among 8,197 upcoming games

#637

Trending · RPG

Among 1,623 upcoming rpg games

#1634

Trending · Art

Among 5,390 upcoming games with AI art

#2332

Top · Wishlists, est.

~130 estimated

#2332

Top · Steam followers

11 followers

Why it’s here: 11 Steam followers. Upcoming games rank by Steam follower growth over the last day and week, weighed against the audience they already have. Released and upcoming games are charted separately; estimates and stars are never mixed in.

Made by

Developer

LT

lucky_tree_dev

Developer on Steam

Is this your game?

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Made by

LT

lucky_tree_dev

Developer, self-published

  • Visit @lucky_tree_dev
  • YouTube
  • Bilibili
  • QQ

Links the developer lists on Steam

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0+0 this week

A star saves the game to My stars and adds one to its public count. One per account, and you can take it back.

Game info

Developer
lucky_tree_dev
Release
Q4 2027
Genres
Casual, Indie, RPG, Simulation
Platforms
Windows
Steam app
5095330

Share a milestone

GameDB.aiNov 4 – Nov 10
★
AI game on GameDB.aiThirty Days with My First Love Sister11 Steam followers
gamedb.ai/g/thirty-days-with-my-first-love-sister
Image

Sources

  • Steam store pageDescription, media, AI disclosure, developer links
  • Steam followersPublic data, refreshed several times a day
  • Wishlist estimate · GameDBSteam followers × 12 (likely 7–20 wishlists per follower)
  • GameDB starsOne per account
Art
(Partial)
Music & SFX (Partial)
+1
80wishlists, est.
7followers

三天 Three Days

FAN · Indie

Art (Assist)Music & SFX (Assist)
50wishlists, est.
4followers

inkrift

inkrift.net · Indie

In-game AI (Core)Art (Core)+2
20wishlists, est.
2followers