Kakkou no Iinazuke

On the way to meet his birth parents, super-student Nagi meets brash Erika, who needs a quick favor. Pose as her boyfriend at dinner so she can avoid an arranged marriage. But things get tricky once they realize they’re heading to the same spot, and her parents still want them wed. How does he ask out his school crush, keep his grades up, and hide his pending nuptials? No one said love was easy! (Source: Crunchyroll)