Responses
It's ⟨ The Symbiotic Relationship Between the Rabbit and the Black Panther ⟩
https://www.mangago.zone/read-manga/the_symbiotic_relationship_between_the_rabbit_and_the_black_panther/
Black haired guy reminds me of the guy from uhm that manwha where the MC(bunny shape shifter) was thrown into the black Panther territory. Yes i forgot the title