Inkora
Sunawachi Ka no Tobu Oto ni Tatoeru Naraba
If I Should Compare It to the Sound of a Mosquito
Mangacompleted
5.1by 1 users140 followed1 chapters
This was released quite a bit before Ano Hito no I ni wa Boku ga Tarinai was serialized and features prototypes of the Supervisor and Maid characters.