Koganei is terrible with alcohol. HE STAYS AWAY FROM IT because it smells weird and tastes bitter and makes him feel like crap after awhile and stuff.
He doesn't even like chocolate with rum in it.
But he is cool with his friends drinking!
When he was about 12, some of his friends in the Uruha (Mokuren, for example) would attempt to make him drink. For the most part, one or more of the More Responsible Adults (Raiha, maybe?) would step in and stop them.
There was one time, though, that he fell to peer pressure while none of the beforementioned More Responsible Adults were around. And promptly threw up all over the place. His friends thought it was lollarious, he felt miserable the following day, and Koganei decided drinking sucked.
18-year-old Koganei is still terrible with alcohol! He gets DRUNK VERY EASILY, is a cuddler and also a puker. \o/ Hence, he avoids it for the most part and opts to have tea or something while other people are drinking. He is never embarrassed about it, and people forgive him for it because he is Just That Charming.
Koganei is actually good at waking up early! This is partly canon (Koganei wakes Recca up by attacking him at times).
Koganei is the sort of guy who could sleep anywhere and everywhere. "HAY sleep tiem lights out" "okay! Zzz".
He is, however, a surprisingly light sleeper. Well, he's a fighter, after all.
Koganei rarely falls sick.
Koganei's favourite season is summer. FOR SOME REASON this kid can still remain energetic despite the heat.
He's not particularly fond of the cold, but likes the cold to keep warm, if that makes sense. He likes the feeling of being curled up under the blankets and wrapping himself in layers of clothes. Though he recognizes that that totally sucks for fighting.
Koganei likes to do things with his hands, though he has never considered himself particularly arty. He just likes keeping his hands busy.
He really likes watching other people do things with their hands. Eg: Origami, sculpture, pottery, etc. INSTANT LIKE AND RESPECT FOR YOU if you engage in a craft like that.
Koganei carries around small stuff that was given to him. Eg: Saicho's crane is still in his pocket; and by now I think he probably has something from Takemoto as well. He also carries a minature Rubik's Cube on him.
Koganei remembers things easily, and learns by sight. He's easy to teach.
He cultivated a habit of self-learning while he was in the Uruha, because Kurei seemed to like it when he did well in his studies. (self-learning because some of the guys he hung out with were kind of dumb sometimes.)
Koganei likes... feeling like he's needed, like he has a place in someone else's life.
Partly because of that, he likes being helpful.
Koganei is not the ungrateful sort; he will run errands and do stuff for you especially if he's mooching off you in any way (living in your house, eating your food, etc.)
Koganei does not judge people by how they look... Creepy is not equal to dislike.
Koganei, at 14, is asexual. There have been girls who have confessed to him, but he's always been honest and said something along of the lines of "I like you! But just not that way!" and might have gone on to say something about having something he has to do before he can think about something like that. Either way, he's always managed to charm them enough and they then went and joined his fanclub.
Koganei loves Kurei. At 14, trust me, it is platonic. I'm not sure about when he's 18... orz Kurei... basically is why Koganei is still living, why he's strong enough to able to stick up for himself, why he is happy, and why he's what he is today. And Koganei will never forget that! He's seen Kurei protecting those he loves, and showing kindness to random people (like Koganei himself), and believes that Kurei is really a good person, simply misunderstood and angry because of what's happened to him. For the good that Kurei has done, Koganei is willing to forgive him for anything-- hurting his friends, being a douchebag, whatever. :(
Koganei loves Yanagi and Recca and everyone in Hokage, but they... don't come close to Kurei. They weren't the ones who saved his life. |D
CRIES MANLY TEARS. ;A; That is to say, Koganei doesn't think it's shameful to cry in front of others. He believes in experiencing and feeling emotions. If you're sad, cry! If you're happy, laugh!
Naturally, Koganei is one who lives for the moment.