Sakura Tamaki

The main heroine.

Visual Novel:

Sakura's is actually Hatsuyuki's fiancee who died along with him in the hotel explosion where their engagement party was taking place alongside the celebration of the union of Uchida and Kawabe. She returns as a ghost to watch over him. Like Hatsuyuki, she too is a "Ghost Child", but she wasn't resurrected.

Later on, she is given a physical body until the end of winter to fulfill her dream of living together with him. In the end, she managed to become Hatsuyuki's lover and spent what time she had with him happily. Before she perished, she managed to prevent Hatsuyuki from going insane due to his father's influence, and convinced him to graduate and live a normal life.