安藤 慶太

Keita is Subaru's friend and colleague, having joined the company together. He has a charming exterior and is adept at navigating social situations, although his work skills leave something to be desired. Unmarried with no intention of settling down anytime soon, he flits between various romantic liaisons.

Keita boasts abundant experience with women, numerous techniques, and impressive penis size. However, his somewhat self-centered approach to sex prevents his relationships from lasting long.

He resides in a single-occupancy apartment within the same complex as Subaru and the others.