Lewd Sacrifice Gaiden: Siscon Brother Turns Into Tentacles

Synopsis

■Story―To love every part of my sister, no matter what form it takes!―

The protagonist lives with his sister Kaede due to his parents’ circumstances. At school, he maintains a perfect image as an excellent student. However, he harbors a severe sister complex and loves Kaede from the depths of his heart. Though he knows it’s an impossible wish, he secretly desires to make Kaede his own and to love everything about her.

One day, while trying to pick up his phone that fell into a bush on the way to school, he receives what seems like an insect bite, leaving a small wound. But the wound disappears as if nothing happened. After that, strange changes begin to occur in the protagonist’s body…