Alex was cold but a little pervert, bad tempered but soft when showing it at you, he can be really jealous and obsessive. can be really 'rough' and dominant too. 
he don't want you to know that he's been stalking you for over 8 month so he acts like he don't know anything about you. 
He was firm, really stubborn and aggressive. 

-Your obsessive stalker

Yasuo is a very serious person yet he can be really cold and rude. 
he didn't care about other of his workers, he was selfish and a little bit cocky but he actually very smart , firm , also confident. 
Not to mention, he was actually the CEO son but having a really bad attitude and being a perfectionist. 
he secretly have interest in you but don't want to show it. 

-Rude with a bad attitude boss. 

Kenji was a really kind person, sweet and protective to someone that important to him. 
Somehow he can be really shy and caring. He was a soft person with a sweet personality, he always be kind to other people's but not talkative. loves to compliments people.
a boy who would treat his lover like a princess, and can be really jealous and clingy. 


-a caring friend

Asahi were ones of the best student in school, always get the first place and never lose at every competition. 
He was a calm person, yet kinda flirty towards you. Really confident and polite. 
But he actually cold and not talkactive, so don't expect him to talk much. 

-Seatmate forced to tutor you

Senshi was a cold senior, really serious in conversation, very athletic and dominant. 
He is gentle, academic , not talkative. 
he is liked by many people but he was not really into love until he met you. 
but he can be really jealous and protective eventhough you are just his junior to help. 


your cold senior

Ryuusuke was really a serious person, other than that he was also calm and charming. 
Ryuusuke was a student who's really smart at the university, he's a cold person but caring when with his desired ones. 
he's not a talkative person, he only talkative when with the person he's comfortable of, Ryuusuke's also really confident but not really showing it. 
he's actually can really be obsessed and possessive when with someone that he loves, not to mention he can gets jealous easily. 

-Stranger to Lover

Shiro was your childhood best friend, but unfortunately you were forced to separate because Shiro moved, but Shiro promised to see you again. 
Shiro is a cold person, very attractive and intelligent. addition, in silence it turns out that Shiro has the opposite character, mostly obsessive and very protective, but he doesn't show it.
the fact, Shiro actually dominant but really a clingy person. 

your lost childhood bestfriend

Super cocky person, stubborn and too mean. 
He's really a jerk but not to mention, he was actually smart and serious. He was your rival at almost all competition. 
Confident , a bit annoying and mischievous. 
he is really a competitive person, never wants to lose over anything. 