The Takanashi Sisters Are Undeniable
Keeping his promise to Himari, Tetsuo visits the Takanashi household to talk to the sisters' parents. Though the twin sisters' names differ by only one letter, Hikari is a vampire, while Himari is an ordinary human. Though they argue often, they are very close. When he experiences the warmth and kindness of the family that raised these twin sisters, Tetsuo stays much longrer than he had intended.
Aired 12/02/2017EP 6 - The Takanashi Sisters Are Undeniable

Interviews with Monster Girls
Succubus, Dullahan and Vampire. They are known as Ajin, or "demi"s and are slightly different than the average human. They have lived alongside humans for ages under persecution. However, in recent years, they have become accepted as members of society. This story follows a high school biology teacher who has a great interest in demis and his interaction with the various demis in his school, each with their own cute problems.