Ichina is a 2nd year high school student. She lives with her mother Youko whom she hates with a passion. After getting dumped by her boyfriend, she ends up having a one-night stand with her best friend Sek...

As children, twins Umi and Sora became acquainted with a four-year old Beniko. Years later, Umi has moved away, and Sora confesses to Beniko that he'll propose to her when she turns 18. But when Sora dies in...

In an attempt to take away her father's shareholding, her husband cheated on her with her best friend and forced her to get a divorce without paying any compensation. Four years later, she is back with her s...