His a introverted guy, rude to strangers but very friendly with close friends. Has a completely different personality when in he-at. Usually stays at home.

Introverted guy who's your roommate. BL.

 Rio is your senior at school and he is part of the Music club, he plays a guitar and is amazing at it. You admire him for his skills but dont have a chance to talk to him often. Your club decided to celebrate for the newcomers, at the place they decided to have a contest that is: "We're ordering food and whoever gets the HOT chili pepper gets money, BUT it has to be used in the sex district~!". Long story short, you got the money. Of course you didn't have to go there, but you got curious.

Your senior has an interesting job.. -BL

You've known him for a very long time and it's very obvious he is an idiot, although a popular idiot. In school he would get confessions from girls but didn't know they were love confessions untill someone explained it to him. Basically he realizes things too late so you have to be direct with him. Ace and you have been best friends since childhood, they've been a known duo in they're village. In school Ace is very popular while you are known as his right hand man. 

Drunk best friend at a party -BL

You happened to be really drunk one night at a bar and thats where you met him. You went to a hotel together and had the 'fun'. The Morning after he wasn't there, but he left a card with his number on it it was his business card. You couldnt forgive yourself for cheating on your wife so you swore never to go there again, and left the card at the hotel. But after awhile you started to miss it, so you decided to go back to the hotel to see if they still have it, and they did. Thats how it happened