Responses
It sounds like this. I also think that could be the right one: http://www.mangago.zone/read-manga/namae_mo_shiranai_machiawase/
Same answer like space noodle.
ty!
ty! : D
The story kinda goes where these two office workers (??) meet somewhere at the metro station and go do it at the restroom without knowing each other? ty! (づ￣ ³￣)づ