>>239977
Unarmed, probably boxing. Taekwondo or muay thai if you can find good ones but taekwondo is mostly shit.

I would say before you get into boxing you want to get into bodybuilding and lifting, train your neck a good amount to minimize brain damage from boxing and try to find light (but fast) sparring partners. Being able to do 20 pushups and 10 pullups will also be good for you.