A story where a JS relentlessly targets a married woman! A stimulating onee-loli × SM comedy! The protagonists are the lively elementary school girl Yuzuki and the married woman Kana who lives next door. The moment Yuzuki swats a mosquito that was resting on Kana's back, a new pleasure awakens in their bodies for the first time――…!? In the midsummer countryside, a secret "himegoto" begins between the two that they cannot tell anyone.