Despite having a cute name, Kinoshita Mairu is burdened by her perceived ugliness and apologizes for it, even for merely existing. Her classmates ridiculed her with the nickname "Poison Mushroom," and her own brother treated her with contempt. Nonetheless, her life is about to take a turn thanks to her neighbor and transvestite mentor, Fuwari-chan, as well as the "school king," Kumada Tenyuu!
Bonus chapter:
Volume 2: Things Will Be Alright If Nazuna is Here!