Shigeru Kimiya

Hideo Ozu is an editor in a shady adult video company. For years, he has dreamed of being a motion picture director while his childhood friend Mai Kurosawa has become an upcoming actress. Then one day, his dreams are shattered when Mai takes all of his amateur videos of her and tells him to get out of her life. On his way home after a few drinks, Hideo bumps into Cyberdoll Sara, who makes him mark an invoice. When he arrives at his pad, Hideo is greeted by three Cyberdolls--Mai, Ai and Mie... (animenewsnetwork.com)

Amaumi Haruhiko is a high school student who attends Shimano Academy in a town called Narasakicho. Narasakicho contains an unknown rainbow which constantly overlooks the town and is related to granting a magical wish called "Gift." Gift is a once-in-a-lifetime present between two people. As a child, Haruhiko has been close with his childhood friend, Kirino, until he obtains a new non-blood sister by the name of Riko. (myanimelist.net)