How do I take inspiration from something like what I want to make without outright ripping it off?
Live in China.
>>153223917
Nah, I meant more like.. You know how nobody ever calls Persona a Jojo knockoff? Even though they're kinda the same thing? Just one has fewer stand battles and enemies like the Shadows from Kingdom Hearts/Grimm from RWBY?
Your manga consists of several different elements. Identify and porting just one element that you like in another work to yours should work.