No bro , you're doing good .
If you have already satisfied with your body now get in shape and do cutting . Gain muscle .
If you want to go bigger then eat more and lift heavy

i guess you're about the same with me..when i first started i gain 15 kg in the first 3 months..my belly gets really big at first..give it sometimes , then your other part of body will grow as well and your belly will become normal back..and be prepare for some stretch marks all over your body

lift weight bro and eat proper food to gain muscle..muscle doesn't come it self.
I think you have to start lifting get into shape first and then you can do bulking to grow bigger if you want to.

I see. Haha my apologize i thought youre giving a picture of your body looks like