Kotoka Hatsushima

Kotoka is the female main character of the series, she's a writer with a huge back fetish. Her favourite thing to do is take in the magnificence of a back through the wrinkles that form in a suit or shirt. She doesn't really like muscular backs. Licking a back comes from her desire to feel it as close as possible. In her own word, "Lust Fetishes and gluttony are one and the same". She's also capable of obtaining some information about a person from their back.