After a fast-flying vacation, Shuichi begins his second year of study. Two girls are bothering him again, and besides them, a new exchange student is also coming. She also couldn't get past the handsome guy, and now it's no longer a love triangle, but a whole square.

A young man is studying at school and unexpectedly receives a love letter. He feels really lucky, because he was chosen by the most popular and beautiful girl in school.

Yumi-san is happily married, but suddenly finds out that the loan she vouched for has not been paid. She'll have to work it out. She is offered a job in the field of adult entertainment. At first, she feels like a traitor to her husband, but over time she begins to enjoy her new job.

An adaptation of hentai manga from Linda Studio. Here are the adventures of unfaithful wives who are tired of everyday life with their husbands. A woman named Reiko cuckolds her faithful.