The protagonist, given the chance to revisit the past. Their goal is to manipulate the sisters who tormented them since childhood at will and settle old scores.

【About the game】◆ Caution ◆All in-game text has been translated using machine translation.◆ Story ◆Masato’s tutors? His sadistic childhood friends.Trapped in a nightmare, Masato is tormented daily by the Shinjo sisters under the guise of &quot;studying.&quot; Just as he reaches his breaking point, he meets Otomo, the mysterious owner of the secret club &quot;Gentildonna.&quot; Armed with a special device he receives there, the tables are about to turn. Masato’s counterattack starts now!【Character Introduction】<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4369580/extras/c3235fc7f4bd9ed5e204ce723b18e87e.avif?t=1770115481" width=261 height=328 />—The Elite Elder Sister: Brilliant, Beautiful, and Utterly Malicious—Name: Haruna ShinjyouHeight: 162cmThree sizes：B110 (K cup)/W64/H92Characteristics: Esthetics, visiting cafesMasato’s childhood friend who has tormented him alongside her younger sister, Serina, for as long as he can remember. After spending time in Tokyo for university and work, she has recently returned home with one goal: to marry into a wealthy family. Famous in her hometown as a gifted woman with striking beauty and a sharp mind, she is asked by Masato’s mother to become his tutor. Her twisted personality remains unchanged by the big city; she exploits her position as a tutor to relentlessly bully Masato as a way to vent her own stress.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/4369580/extras/206546cea66be3411a28e1f461b3ee25.avif?t=1770115481" width=261 height=360 />—The Selfish College Student—Name: Serina ShinjyouHeight: 166cmThree sizes：B105 (J cup)/W61/H88Characteristics: Physical exercise, travelThe younger of the Shinjo sisters and another of Masato’s childhood friends. Unlike her intellectual sister, Serina isn't the brightest, but she’s a master at &quot;going with the flow&quot; and siding with whoever holds the power. While she isn't as calculated or devious as Haruna, she is incredibly arrogant toward Masato, whom she clearly looks down upon. Since her only goal is to make easy money, she has absolutely no intention of taking her tutoring duties seriously.◆ Game Specifications ◆・Novel game that progresses with a click・Heroine fully voiced※Japanese voice recording (※male characters are not recorded)◆ Content Warning ◆This game contains content that may not be suitable for all age groupsand may not be appropriate for viewing in the workplace.The game includes sexual content and general adult content.

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