He appears as a middle aged man. He wears glasses and is mostly bald expect a noticeable single strand of swirly hair on top of his head.
He is the math teacher of Tomoki, Sohara, Nymph, and Ikaros.
Tomoki believes Mr. Takehara gives out homework that is too difficult for him. Mr. Takehara is not a fan of Nymph due to her refusal to take notes. However due to her angeloid design capabilities she answers all of his questions correctly which really annoys him.
Takehara appears for the first time in the first season of "Sora no Otoshimono" "row 3 The primary task of an Engeloiden" and is a teacher, on the subject of mathematics at a school in the small town Sorami taught. In the 9th Follow " A dogged fight! fishing at the Carnival of Dreams , "the second season of" Sora no Otoshimono Forte "Takehara moderated the event" Super Yo-Yo Angeltunier ".
- What other subjects are taught Takehara unknown.
- He leaves behind Tomoki Sakurai a good impression, because he gives his opinion homework that does not correspond to their level of performance (However, it was Eishirou Sugata able to solve the tasks in a jiffy).