Hush!(2013)

Hush!

My boyfriend is Mr. Kinukawa. I worked hard to win a lover like him! I'm fascinated by adult romance, and I'd give anything to make my beloved Kinu happy... Huh? I'm supposed to wait until graduation!? There's no way I can wait that long! I'll get totally frustrated! Well, if Kinu's gonna be like that, then I'll show him my love on the school trip, during the sports festival... whenever and wherever!When it comes to love, Saya goes her own way! Saya and Kinu make their comic series debut! Their love is top secret.

(Source: Renta!)