Yuma is the main protagonist of the story, she is in her second year of high school along with her best friend Hotaru. When she finds her first boyfriend (Takeda) she is not sure how to react so she asks Hotaru for advice, but is surprised when it appears as if her friend flirting with her. Yuma cant explain the good feeling she gets when she French kisses Hotaru, among other things, and worries that Takeda will catch her in the act.

(Source: Wikipedia)