Wings

a copybon about a certain succubus sucking out your life force | サキュバスに精気を吸いとられちゃうコピー本

Because We're Different Species! | だって異種だもん

A story about an Onee-san being impregnated by an incubus and her Onii-chan being made into a succubus' pet | 姉はインキュバスに種付けされ、弟はサキュバスの家畜にされるお話