Nobumasa is a boy who works part-time in a shoe store, where he meets Mizuki, a girl whose abusive family life has left her unable to trust other people. Meanwhile, Nobumasa is unaware that another girl, Seiko, has a crush on him but is unable to express her feelings.

The series is a historical drama aesthetically and boldly adapting the life of Oda Nobunaga in his teens up to his time as a warlord against his brother, Nobuyuki.

The Kodomo No Omocha OVA is a thirty-minute animation video that was made before the TV series. It covers the first volume of the manga, so it's equivalent to TV episodes 1-6. It relates Sana's troubles with Hayama at school as a result of the "oyakodon baka" situation and culminates when Hayama's dad and sister realize their mistakes thanks to Sana's efforts.

Extra episode of Kowarekake no Orgel which was added to theatrical release of anime and DVD/BD. Flower notices that Keiichiro seems tired and decides to cook something new for him.