Monster Musume no Iru Nichijou OVA
English name: Monster Musume: Everyday Life with Monster Girls OVA
Genres: Comedy, Fantasy, Romance, Ecchi
Type: OVA, Episodes: 2
Aired: Nov 12, 2016 to Apr 13, 2017
Studio: Lerche
Source: Manga
Rating: R+ - Mild Nudity
Synopsis:
During a physical exam, Miia, Centorea, and Mero discover that they have gained too much weight due to Kimihito Kurusu's delicious cooking. To remedy this, Polt offers them first use of her new pool and gym facility before its grand opening. However, it's not all fun and games, as the three girls' competitive spirits start to flare up!

Meanwhile, when Rachnera Arachnera receives a letter from her previous host family, she finds out that they would like to meet with her and apologize for the events that caused her transfer. But, as it turns out, not only do they want to apologize, they want her back as well! When the family's daughter, Ren Kunanzuki, shows up at the front door, the gang must convince her to let Rachnera stay at Kimihito's house.