When tragedy strikes within the walls of the Ōoku, twisted human passions and festering grudges spawn the Medicine Seller's most fearsome opponent yet.

Koshi Torako has everyone fooled. Her classmates see her as the perfect honor student, unaware of her secret delinquent past. But her new picturesque school life is thrown into chaos when she bumps into Shikanoko Noko, a girl with antlers! Mayhem seems to follow this strange doe-eyed girl. Who, or what, is she?

High school freshman Sakai Yonosuke, aka Eiyu, is obsessed with rom-coms, especially ones about childhood friends. But even though he has two childhood friends of his own—Shio and Akari—he's sadly given up on romance becoming a reality. Little does he know, both girls have the hots for him! A humorous will-they-or-won't-they rom-com about friendship, love, and first crushes!