Souta Takatsuki and his neighbor Rikka Amanome have been like brother and sister since they were kids, but his feelings for her run much deeper. With her birthday coming up,...

Souta and Rikka are officially going out now, and their relationship remains as steamy as ever due to Zepar’s curse of lust. But things heat up even more when Rikka’s...

After Makoto’s confession, Souta finds himself having to balance a delicate three-way relationship. Trying to keep both lust-crazed girls satisfied while also keeping his cheating a secret from Rikka is...

As summer break begins, Souta is drained more and more as he scrambles to satisfy the rampant sexual needs of Rikka, her friend Makoto, and now their teacher Shino. When...

There’s a new girl in school-Koyuki Nonomiya, a third-year transfer student with a reputation for debauchery. Bearing a curse from the demon Gremory, a rival of Zepar, she wants in...

After catching Souta cheating on her with not one, not two, but three other women, a devastated Rikka starts to avoid him completely. And with the help of the demon...

Souta plans to confess everything, though he may be too late, as a delirious Rikka is being led by Kanade to her comatose boyfriend’s hospital bed! With the group’s tangled...