Responses
there are a lot that vaguely fit, maybe it's one of these?
https://www.mangago.me/read-manga/s_class_hunter_heals_with_monsters/
https://www.mangago.me/read-manga/solo_farming_in_the_tower/
Basically its a hunterverse but the mc lives in a dungeon, he was a lab rat and can turn into a monster. He farms and has a monster daughter who looks human, along with monster pets. One friend had a bird head