"Like a plot out of a soap opera, bachelor Daikichi Kawachi's boringly normal life got a touch of the abnormal when he learned that his late granddad left behind a love child. And further rattling the unexpected skeleton in the closet? The ungainly, unglamorous Daikichi's impulsive decision to take in little Rin! But as the impromptu dad and his charge learn to adapt to both one another and their very new living situation, Daikichi is plagued by thoughts...

Ten years have flown by since Daikichi first met Rin at his grandfather's funeral. Rin has blossomed into a smart, capable teen-ager, but the trails and tribulations of high school and adolescence await.

As Rin experiences the ups and downs of being a teenager, she begins to ponder what it means to be family. In her exploration of that question, she takes it upon herself to track down Masako, her birth mother. Masako, now engaged and pregnant, is about to start a new family of her own. But with Masako's feelings of guilt over her treatment of Rin, she can't bring herself to tell Daikichi of the recent developments in her life. So when Rin and Masako...