Quick Intro of this book (Spoilers)

[Completed/Ended]
"I finnaly found you.. My Happiness"

2 boys named Kashima Ryuuichi and Kashima Kotarou lost their parents in a plane accident. To their greatest fortune they were soon adopted by the chairlady of Morinomiya Academy who had lost her son and daughter in law in the same accident. the chairlady cared deeply for them and but she was most worried about Ryuuichi to be left alone with his brother that depended on him, She only wanted him to find his happiness may whatever or whoever that be. But who or what will be the said Happiness.

All characters belong to writters of GakuenBabysitters except for unfamiliar names later on in the book.