Synopsis: Nanji, Chikai no Kuchizuke wo...

The marriage Between Rena, a 16-year-old 1st year student, and Kyouta, an 18-year-old upperclassman, remains unknown to others. In this manga, their journey is depicted as they strive to learn about each other whilst concealing their marital status from schoolmates. They'll face trials such as jealousy, love declarations, academic tests, affections, relationships with in-laws, awkward scenarios, noisy neighbors, and teachers.