Responses
Not a dog, but a cat, same kind of plot appears at end:
http://www.mangago.zone/read-manga/tonde_hi_ni_iru_natsu_no_neko/
http://www.mangago.zone/read-manga/tonari_ni_kimi_no_nukumori_wo/
I believe it this manga
perhaps this one? http://www.mangago.zone/read-manga/lovely_play/
I'm looking for a manga pls help!
So it was about the uke whose dog died but than the dog turned up and became a human and than comes a major plot twist that the dog was originally the neighbor of the uke and just played the dog to become closer to the uke.