Gakuen Babysitters

Ryuuichi Kashima has always taken care of his little brother Kotarou due to their parents traveling most of the time. After the Kashimas suddenly die in a plane crash, an elderly woman named Youko Morinomiya offers to become the brothers' guardian until they both become adults. It turns out that she lost her son and daughter-in-law in the same tragedy. The teenage Ryuuichi can also attend the scho...