If you're looking for anime similar to Koutaishi-sama no Okiniiri: Kawareta Odoriko wa Harem de Midasarete (Light Novel), you might like these titles.
The official music video for Ai ga Tarinai yo from the album S.O.N.O.M, by SONOMI
The official music video for Vector Fish from the mini-album melon, by THE BINARY.