Responses
There are no harem in nano? He got one girl only. I can't say for the novel but st least in the comic he only got one girl. Thee is one other who is kinda into him but its not a big part, like two panels or so, and he is not into her.
He stuck to one girl in the novel as well!
i rlly hope this has no harem bcs i love the fl i loved nano machine sm but dropped it the moment the author made it harem