Honto wa Watashi ga Iin desho?

Haruka, a high school student, was living a happy life with his girlfriend, Suzuka. However, there was a reason why Haruka couldn't bring himself to openly express his love for Suzuka. Romantically, he loved Suzuka, but the person with whom Haruka felt the strongest sexual attraction was his childhood friend, the gravure model Ria. Despite his self-loathing, Haru tried to love Suzuka, but one day, Ria—who was supposed to be living far away—appeared. As if she could see right through Haru's feelings, Ria entwined her heart with his using her alluring body. "It's fine with me, Haru-kun. I'll keep it a secret from your girlfriend." Through this sweet temptation, Haru's happy daily life begins to crumble away...