* Based on Tokeino Hari's shoujo manga series.
Ryuuichi and Kotarou are brothers who lost their parents in an airplane crash. They're taken in by the chairman of Morinomiya Academy, who lost her son and daughter-in- law in the same crash, on one condition: Ryuuichi has to babysit the kids at the daycare room in the school! This room was opened to help the school's teachers…