Mirume is a 19 year old college student who falls in love with Yuri, an almost 40 year old art teacher at his university. Yuri isn't your typical college professor, having a quirky sense of humor and unpredictable personality. When Yuri invites Murume to her studio, she playfully seduces the still naive 19 year old student. Things become more complicated when Mirume discovers that Yuri is married ...

Yukihiko Nishino is very popular with women, but, in the end, he is always dumped by a woman. Yukihiko seeks out his true love.

Suzu lives with Furuta, her fiance, but one day she leaves home without saying a word. She moves into the apartment of her friend Abe, but he has gone abroad and Yoko now lives in his apartment. Suzu and Yoko, who have known each other since childhood and have both always loved Furuta, thus find themselves sharing the same home.

The story centers around the communication between a man who abruptly appears in a world 10,000 years in the future and a boy who lives in that world.

Mirume is a 19 year old college student who falls in love with Yuri, an almost 40 year old art teacher at his university. Yuri isn't your typical college professor, having a quirky sense of humor and unpredictable personality. When Yuri invites Murume to her studio, she playfully seduces the still naive 19 year old student. Things become more complicated when Mirume discovers that Yuri is married ...