Nanji, Chikai no Kuchizuke wo...Nanji Chikai no Kuchizuke wo; Who Spoke the Vow; 汝、誓いの口づけを・・・; 甜蜜的誓約

[Onigiri-Gakuen] No one knows that 1st year Rena (16) and upperclassman Kyouta (18) are in fact married. This manga follows them in their lives to discover more about each other and keep the fact they are married a secret from everyone at school. They'll be tested in Jealousy, love confessions, exams, love, mother in laws, embarrassing situations, noisy neighbors and teachers.