Misaki and Sakura (Subject-tan)

Misaki and Sakura, also known as Social Studies-tan and Drama-tan, the twins of Subject-tan subjects. They both live in Cebu province, because the subjects took care of them every time when they were little.

Her friends, are Physics-tan (Subject-tan) (new friend), Math-chan, Chemistry-tan, and Algebra-tan. They did not like Biology-tan a bit, but they still love her.

Misaki, or Social Studies-tan, the elder sister of Sakura. She loves her younger sister very much, and when the subjects took care of her, she is silent, caring, smart, and careful.

Sakura, or Drama-tan, is the younger sister of Misaki. She loves her elder sister as well, and the subjects took care of her, she is silent, clumsy, smart, and cute.

The subjects are caring of those two, except when they behaved a lot. The two are the most behaved and the most liked subjects on Subject-tan, when they are being together as siblings.