Beloved Teddy Bear

Contains three stories.
[From Da Gurlz Translationz]:
Story 01) Beloved Teddy Bear: Short, naive, teddy-loving Yasushii believed that Igarashi Yuu’s death was partly her fault. So when the ghost of Yuu takes a visit and decides to live as her beloved teddy bear, her life changes drastically. What will happen from there?
Story 02) Boy-Girl.
Sakura is often mistaken as a guy, because she doesn’t usually wear the Girls’ uniform at her school, being confessed to by other girls. Fujiki says that he admires her, assuming she’s a guy.
Story 03) Chisana Koro Kana.
Tomoe is always referred to as Akirou’s younger sister, and has become jealous of his outgoing and cheerful ways. Will they be able to reconcile?