Shiiba-san no Ura no Kao with Imouto Lip

Storyline & Plot Overview

Part 1: Shiiba-san no Ura no Kao

At an ordinary high school in Japan, there are two peculiar students: a lonely boy and Shiiba, a girl shrouded in mystery. Neither has many friends, but unlike the dull and uninteresting boy, Shiiba possesses a breathtaking beauty and is considered to be on an entirely different level from the other male students.

Because of this, no one has ever summoned enough courage to ask her out. However, a thrilling surprise awaits this inconspicuous boy when Shiiba herself takes the initiative to invite him to an empty room…

Part 2: Imouto Lip

Elsewhere, a young teenager has just returned home after a long day at school. However, as he approaches his room, he suddenly hears sounds emanating from an adult film he had watched before. Startled, he rushes inside only to find his step-sister, Miku, sitting there watching those tapes.

To Miku, it’s not surprising that teenage boys are interested in such things, but what she didn’t expect was that she herself would begin to develop a growing curiosity for them…