The second is the guy that advises him tactically, gives him a pep talk and tends to any wounds or injuries. Like Rocky's personal trainer that's always in the corner.
M-M-M-M-M-Marisa!?What are you doing here?!What, you aren't used to me coming over here yet?There's a favor I wanted to ask you.Ask... me?That's Meat's position...!! Meat Alexandria, pictured here, Kinnikuman's personal trainer and assistant. I guess that's what a "second" is, kind of a manager-type deal. I guess.Yeah. I want you to be my second.Be more convenient to have one than not.Your clothes really do make you look slender.Actually, this time it was intentional.*swimming*Episode 45: Marisa's RequestFrom the Artist's Pixiv pageThis is one huge bath you've got here.A Necessary Role*swimming**swimming*Your second...*mukyuun*