女淫魔を隷従させようと召喚したら、現れたは実の妹だった件

Embark on a journey of forbidden secrets and supernatural encounters in the Japanese web novel '女淫魔を隷従させようと召喚したら、現れたは実の妹だった件.' Unveil the tale of summoning gone awry, where a simple ritual brings forth the protagonist's own sister, Yurika. Delve into the realms of brother complex, first-time intercourse, and succubus contracts in this R-18 narrative that explores the boundaries of familial relationships and the supernatural world.