[JUL-920] I Was Raised By My Beloved Stepsister And She Was Stolen Away By My Worst Friend… Nao Jinguji

The protagonist has been living all his life with Nao, and they developed a very special bond even though they are not real siblings.

It all changed drastically the day his friend Yudzuru meet with Nao, as he had no issue benefiting from her massive buttocks.