正義感溢れる少年がサキュバスに死ぬまで射精管理され続ける話

The hero may have defeated countless succubi in his time, but this one is different...
Her body, her aura -- something is very wrong. But before he can act or his misgivings,
our hero is pulled into a nigh-inescapable orgasm trap from which he may never return!

[From DLsite English]