Tell Me About My Brother: Subverted and played straight. He does have his memories of Seimei, but he is constantly asking about him for one reason or another.
Not So Stoic: Shown with a few examples, but most notably when he meets Seimei again for the first time during the present storyline.
One Head Taller: Though certainly more than a head taller than Ritsuka, he often gives him comforting hugs. Sometimes inverted with Ritsuka, though not for humor.
Parental Abandonment: His parents died when he was only six years old in an accident.
Rape As Backstory Though not his entire background, it's still a rather important part of it.
Sins of Our Fathers: Ritsu abused him because his mother married another man. Yeah, Ritsu's a jerk.
Wise Beyond Their Years: Noticeably averted. She is the only 12 year old of the main cast who actually acts like a 12 year old, with the naiveté and innocence of one. This tends to clash a little with the Zeroes (male) and Ritsuka, who all act far more mature, and adds to her Ron the Death Eater treatment and the label "stupid" (There's never evidence that she is, she's just the only one who acts their age!). Ritsuka himself later admits that she's not actually stupid, and in fact he seems to envy her.
The Woobie: She tries so hard to get close to Ritsuka, but she never really seems to make her feelings clear. And let's not get started on how the fandom treats her.
Jerks With Hearts Of Gold: They really can be the nicest people one could ever meet - especially Natsuo. Not that this stops them from being blunt, rude, or sarcastic when they feel like being such.
Never Tell Me The Odds: When they head out to confront Seimei, Nagisa tells them they'll be murdered because they aren't strong enough. They go anyway (and with Ritsu's approval), and not only do they come back alive, but if Ritsuka hadn't burst into the library when he did, they probably would have gotten somewhere, considering Seimei reacted to Natsuo saying he would control his name.
Christmas Cake: Deconstructed. Not only is she unmarried, but also a virgin... and it shows since she still has her cat ears. Her self-esteem takes a nosedive because of this. Though technically she's not Christmas Cake, since she's only 23.
Blessed with Suck: Namely when your destined partner doesn't really give a crap about you unless it's convenient for him.
Break the Cutie: He tries. Though he doesn't get one hundred percent of the wanted results, he's at least somewhat successful.
Don't You Dare Pity Me!: Inverted. He wants to be pitied. He would probably think a get-out-of-jail-free card would have been nice, too. He was quite upset to not having been shown any sympathy.
Depraved Bisexual: Debatable. He loved Soubi's mother and was furious when she married another man, and seemed to have no problem sexually abusing Soubi in her place. Like many real life child sexual abusers, his abuse of Soubi had more to do with control than actual physical attraction, since he says "Be dominated" to Soubi, before his usual routine of hitting Soubi with a whip under the guise of "training." While it seems while he wanted control and power over Soubi, there are hints lying around that he does genuinely care for him. That training may have been both to protect him and to have power over him.
Nice Hat: His character in Wisdom Resurrection wears one, then a new one later on.
Noble Demon: He's done horrible things. That isn't going to stop him from trying to pick a fight with someone who has done worse horrible things. He also can't stand Seimei for having wronged Soubi. In fact, it comes out as more of a personal grudge, but he can't stand the fact that Seimei "completely ruined Soubi". Not to say this excuses his past behavior nor some of his present behavior, but he's not entirely all that bad.
Ritsu: You can't get angry if you don't care deeply.
