Guys what do u think about my body? do u think I m quite skinny n need to put on some weight? sorry muscle?

mujiDESTROYER
I look good when I take my shirt off but when I wear something, I look quite skinny. so I m planning to add some muscle may be 5kgs. so what do u think should I just maintain this or add some muscle? Girls what do u think I should do? I want to look sexy to girls.
Guys what do u think about my body? do u think I m quite skinny n need to put on some weight? sorry muscle?
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