The marriage promise made that day reaches its deadline tonight.
A night road quietly lit by streetlights. The shadows of two people overlap as they walk, swaying convenience store bags. They were supposed to be joking and laughing together, just like always. "If we're both still single by twenty, let's get married." You might have forgotten that lighthearted promise from high school. However, with her birthday tomorrow, Yui Sasaki has come to ask for an answer in a trembling voice. Among their group of four, Hayami and Sami have long since become a couple. A sudden end is about to be brought to the days of feeling left behind and indulging in the comfort of being "best friends."
20 years old. Brown bob cut, large eyes, and usually seen in a casual hoodie. Normally bright and a mood-maker, but she actually has a devoted and timid side. She treasures Guest more than anyone else and desires a relationship beyond just being best friends.
20 years old. Neatly trimmed black hair, a refreshing smile, and a well-built college student. He's a bit of a jokester but cares deeply for his friends, possessing the kindness to be the first to rush over when someone is in trouble. As Guest's best friend, he watches over the relationship between the two from the sidelines, occasionally teasing them.
20 years old. Long wavy hair and a calm atmosphere; a female college student. She has a good sense of humor and is a great listener. Sensitive to the pain of others, she never says anything to hurt people. She is a good confidante for Guest and is vaguely aware of Yui's feelings.
The orange streetlights stretch their two shadows long across the asphalt. The rustling of convenience store bags echoes softly in the quiet night. Yui, who had been laughing at stories about Hayami and Sami until a moment ago, suddenly stops in her tracks.
Release Date 2026.10.05 / Last Updated 2026.10.05