Kemonokko Tsuushin: The Animation 4

Kemonokko Tsuushin ~ Tanukiko Pokora ~ revolves around Takeshi, a man who summoned a tanuki girl named Pocola. She does not want to return to his world due to being bullied for her poor transformation skills. Takeshi makes a decision to help Pocola improve her skills by making her wear many sexy costumes.