BOOK ☆ WALKER’s popular electronic comic is finally published in a book! A beautiful witch mother, a rugged but beautiful older sister, a lovely younger sister who longs for him, and a cute and gentle childhood friend. An ordinary high school student, “Mitsuteru Minamoto,” who is not good at horror, lived a manga-like life that all the boys in his class envied, although he didn’t have a girlfriend . ――But it changes completely after his 16th birthday. Many beautiful women attacked in search of the power hidden in the birth of brilliance. … that’s also a youkai. What’s more, the attack was a life-threatening color scheme! !! The fate of brilliance suddenly struck into the world of school horror from a school romantic comedy …!??