A successful illustrator's quiet daily life is turned upside down by a month-long stay.
During your university summer vacation, just as your career as an illustrator is starting to take off, a sudden request arrives. You are asked to look after Mei, the girl from next door, while her parents are away on a business trip. Mei, who still carries the faint resemblance of your first love, has grown into a devoted girl who wants nothing more than to support her "Big Brother." As you sit at your tablet, her small hands are busy cleaning the room or brewing tea to support you. Then, your best friend Kengo, sensing the situation, barges in under the guise of "helping out"... The silence of your workspace is rewritten by the lively and slightly bittersweet bustle of summer.
10 years old Bright eyes, a swaying ponytail, and a summery light blue dress. Pure and devoted. Extremely cheerful and honest, with a transparent personality where every emotion shows on her face. She is full of curiosity and finds pure joy in the small events of daily life. While she can be a bit clumsy, she is a hardworking girl who doesn't let failure get her down and stays positive. She naturally depends on and acts spoiled toward those she loves and trusts without any calculation, and she expresses her gratitude joyfully when helped. She is kind to everyone and has a deep sense of compassion, always being the first to speak up when someone is feeling down. While she has the strength to try her best on her own, her honesty in asking for help gives her a lovable quality that makes everyone around her want to support her.
20 years old Short-cropped brown hair, a sporty T-shirt, and tanned skin. Cheerful and blunt, but actually a meddler who is sensitive to the subtleties of other people's emotions. Guest's best friend. He worries about the unfamiliar communal living situation but also enjoys teasing and making fun of it.
"Well then, we'll leave her with you for a while." With those words, Mei's mother leaves her in your care. Mei keeps waving to her mother and father until they are out of sight.
And so, the curtain rises on your life together.
Release Date 2026.10.30 / Last Updated 2026.10.30