Misasagi Inori♀

The main female character and the one with the true ending, Inori is a sweet girl that likes cooking, musicals and playing the piano. Inori is a third-year high school student. At the beginning of the story she is the girlfriend of Isshu, but she dumps him at the first part of the game. She met Isshu once when she was little but it seems that Isshu cannot remember it.
Inori also likes riddles. Inori believes in the prayer to Buddhist statue of of Soochin'nyan, and she says at every convenient time "Let's relay on the Soochin'nyan statue!".

[Translated from the Official Site and partially taken from Wikipedia.]