Mars: Tada, Kimi wo Aishiteru

When it rains it pours. Kenji divorced his wife, lost his job and his old squeeze Naoko is getting married back home in the north of Japan, specifically in Akita. He returns there in order to attend her wedding. Naoko surprises him by proposing that they have sex again. The one night stand is the new beginning.

Mei Tachibana is a high school student. Due to a traumatic incident when she was a kid, Mei has been unable to make friends or have boyfriends. By mistake, Mei then injures the most popular male student named Yamato Kurosawa. Somehow, Yamato Kurosawa likes Mei Tachibana and tells everyone unilaterally that Mei is his friend. One day, Yamato Kurosawa saves Mei Tachibana from a stalker by kissing her. From that kiss, their love story begins.

Rei is a college student in the midst of finding a job. She confesses her love to Mikio, a senior whom she admires. Mikio soon demands that she perform perverted acts.

Shaw Landon has loved Rule Archer from the moment she laid eyes on him. Rule, a fiery-tempered rebel tattoo artist, doesn’t have time for a good girl pre-med student like Shaw — even if she’s the only one who can see the person he truly is. She lives by other people’s rules; he makes his own. But a short skirt, too many birthday cocktails, and spilled secrets lead to a night neither can forget. Now, Shaw and Rule must figure out how a girl like her and a guy like him are supposed to be together without destroying their love…or each other.

In middle school, Futaba Yoshioka was madly in love with Tanaka Kou but he moves away with his mother. She is reunited with him later in life but he is not the same person anymore.