Cats. Girls. and Allergies - 猫と少女とアレルギー (Neko to Shōjo to Arerugī)
Yuto Amakawa is a fairly ordinary young man. On the morning of his birthday seven years after his parents' death, a mysterious girl appears before the orphan, and demons begin attacking Yuto! Yuto is the descendant of the Amakawa family, one of twelve demon slayer clans, and Himari is an Ayakashi with a vow to protect him.
Opening Theme n/a
Ending Theme "BEAM my BEAM" by Himarinko L. Shizukuesu Lyrics by Ami Koshimizu, Iori Nomizu, Asuka Okame, Kei Shindo and Yuki Matsuoka