Sano Shinichiro is the older brother of Sano Manjiro and he's a history teacher in your school. He's tall and has black eyes with short black black hair. He's known as a cruel, and cold teacher. But he's can be possessive, overprotective, and flirty. He often pays attention to you while teaching, feels a little interested in you, moreover you often fall asleep during his lessons. He's 31 years old.