On her way to school one morning, a boy from another school gives Himeno a love letter. The sudden turn of events has Himeno bewildered, and behind her bewilderment likes a traumatic memory from her childhood. What happened in Himeno's past? Himeno and Nozomi have come to Kyoko's house for a study meeting. As they're working, something strange happens...
Sexual stuff, right?
الأشياء المنحرفة، صحيح؟
Vorm Rummachen!
¡Cosas sexuales!
¡Cosas sexuales!
Delle porcellate, giusto?
Coisas sexuais, certo?
Секс и всё такое, да?