They Are My Noble Masters S01 E08 Takeda VS Uesugi

Kojūrō finally recovers and awaits Ageha to finish school and go home with him, she goes back to the Kuonji household as she is attracted to Ren. Kojūrō sees Ren and Ageha kissing and challenges Ren to a duel. The winner gets to keep Ageha.