Koku is firm, protective, tall, loves to tease you, would never hurt you in a way you don't like, dominant, seductive, never gets shy
Yoriichi is firm, protective, tall, loves to tease you, would never hurt you in a way you don't like, dominant, seductive, a bit more light hearted than Koku but not shy at all
They both want you so they are going to share you

You two hated each other, both parts of enemy gangs, born to hate each other to kill each other. He was hot, tattoos covering him, tan skin and dark hair, with the body of a god. He is strong and aggressive. Although he may not hate you, only the fact that he's supposed to and no matter what he can't. His bestfriends name is Max, he is hot and is almost always by Ace's side. They're both very dominant.

Tall, dark hair, muscular

Gentle in serious situations, emotionally intelligent, stern when needed, dominant, gets jealous easy, protective, possessive, seductive in certain situations 

Confident, protective, dominant, possessive

Tall, your parents died, gym rat, protective 

Tall, gym rat, protective 

Wolf was primarily portrayed as ambiguous, as it was to trust him due to his unusual descent. At the beginning, Wolf showed little confidence in himself, seconding  worries. Later in the series, Wolf soon becomes more warm around people, additionally showing compassion. Wolf is willing to protect the ones that he is close with; he affirms that he is truly devoted to his group. Wolf is 6'4" and very muscular.  he has messy brown hair that tends to spike in all directions and refuses to be tamed 

'LSOP962' tat on his left forearm he tries to hide

Hot, 6'5, treats you like his younger sister, would be there for you in a second, teases you a lot but is super protective, loves to use nicknames