Why the hell are you here, Teacher!?: Thirteenth Period(2019)

Nande Koko ni Sensei ga!? Special

Graduation has come and gone and now the teachers look forward to a well-deserved vacation with their new boyfriends. Unfortunately, things rarely go according to plan when their hotel doesn’t have enough rooms for everyone. As half the group splits up in search of alternative arrangements, Chizuru and Koh find themselves at a love hotel...

(Source: Sentai Filmworks)

Note: This entry contains a special unaired episode included with the Blu-ray box set.