There's a “transsexual syndrome” where one's heart fluttering causes one's gender to switch. Sagimiya Ryou and Mikami Nagisa, both possessing this condition, find themselves drawn to each other and become...

Tsubaki is her school's most proficient student, is polite, and is absolutely good at everything, and little by little, people are hailing her to be the school's queen.... And she absolutely despises that. She...