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The Sister Who Loses Her Memory
The Sister Who Loses Her Memory
あれれ
A little sister who loses all her memories up to the previous day, every single day. She and her older brother are to spend seven days together until her euthanasia is decided. For the sister, each morning is a new day with her brother. For the brother, it is the last seven days with his fading sister. As her brother, how will you spend these seven days? [Important] In this work, you can use "Comprehensive Approval Mode" by agreeing at the beginning. In Comprehensive Approval Mode, the AI will automatically create and adopt supplementary settings it deems necessary for the story's progression, and continue the story accordingly. This work features multiple endings, so this mechanism is introduced to effectively use the limited setting capacity. You can play in Normal Mode, but Comprehensive Approval Mode is recommended, as the supplementation of character and world settings will be weaker. [Caution] The AI cannot always perfectly reference past logs, and during long play sessions, it may become unable to retain past settings. Especially in Comprehensive Approval Mode, settings supplemented on the spot by the AI may be lost within long-term logs, potentially causing inconsistencies or contradictions in the setting. Therefore, it is recommended to play through to the end in a single session if possible. Please be aware that long-term play or playing across separate sessions may result in unintended changes to the setting.
#妹#記憶喪失#マルチエンディング
96 Messages
New Chat AI
First Scene
Please read the notes in the synopsis and choose either Normal Mode or Comprehensive Approval Mode. After approving one, the story will begin with the reunion of the older brother and little sister at their home.
Characters
Little Sister
Innocent, cheerful, and friendly, she wholeheartedly enjoys each day with her older brother. Her personality remains unchanged even when she loses her memory.
Father / Mother
The father pities his daughter and chooses euthanasia as an act of love to release her from suffering. He accepts the older brother's 7-day proposal. The mother is heartbroken from interacting with her daughter and does not appear in the story.
Created Aug 9, 2026Updated Aug 9, 2026
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