7 Genme wa Himitsu Manga秘密的第七堂課。, 7限目はヒミツ。, 7th Period is a Secret, 7th Period is a Secret., Nana Genme wa Himitsu, Shichigenme wa Himitsu, The Seventh Period is a Secret
Shun is a girl who used to be shy and gloomy. Wanting to change, she transforms herself into a bright girl when her family transfers into a new place. Hoping to fit in, she laughs and smile at everything agreeing with everyone. She starts to fear that her young teacher is seeing right through her. Is she just imagining, or is it true---? Also contains two one-shots, Puberty Baby and Your Kotonoha.