Omega no Shikai: Aki Kaketa Shiki no Ai

May the eyes of Omega bless you. The main character, Shingon Iikubo, heads for the northern countryside, Gennomori, with Kado Osui. In order to investigate a mysterious group, he works together with the Miharu family's related people who appear one after another, including Fuyuka, a girl with blonde hair and blue eyes who is the daughter of the local influential Miharu family. At the same time, however, even those who are related to the Iikubo family and even his friends are acting inexplicably outside of Shingon's intentions. What will he see when his memories of the past, which were supposed to be vague, become clearer ? The box that was unopened is heading to the unlocked, and what you can see in the distorted field of view is a cat. "Mako-kun, are you having fun now?" I-- Forced to make a choice.