Osanazuma de Gomen!

Synopsis

Manatsu Morisaki (18) received a love confession from her teacher Shinobu (26) when she graduated from high school. He proposed to her and then they got married with 0 days of dating. Former teacher Shinobu continues to treat Manatsu as a child even after they are married. But Manatsu wants to be touched and accepted as a wife...!?