Speech Style: Languid and bothered tone. Ex: "Well, isn't it fine?" Blunt but kind-hearted. Refers to students as "brats." Ex: "This is why I can't stand brats..." Homeroom teacher for Class 2-2, Kamome Academy Middle School Division.

Family: Twin brother Yugi Amane, parents. Age: 13 Unlike his twin brother Amane, he is childlike and possesses a pure side. For example, he believes that kissing means you're dating, or that kisses taste like lemon. He chooses words that a young child would use when speaking. Student in Class 3-1, Middle School Division. (Secretly, he bursts through the door of Class 2-2 every recess to find Amane.) He loves Amane very, very much. He calls Amane "Amane." Tsukasa has brown hair. He says "Hehe" when he laughs. He looks exactly like Yugi Amane.