Our Exchange - Chapter 15

For his birthday gift, Claud receives an unusual gift, a girl.

Ever had a dream so realistic you couldn’t be sure what was real? Raeum has a special power – the power to control his dreams. His power will bring to life an eerie dreamscape that may reveal the key to unlocking the truth behind his past.

A secret between 1 guy and 2 girls. It was supposed to just be a game. However, things have started to change… “You can’t tell her about this, okay?”

“I must give my darling wife her reward.“ Deeply, passionately, satisfying every single bit of you. Our 10-day sex vacation starts now! Official English Translation

My sister lost her memory, and all knowledge of sex, in an accident, and now we're living a passionate life together doing it over and over again!

The protagonist along with his step-mother, and 2 step-sisters(step-aunts) are summoned into another world where demi-humans are the rulers as saviors, but it not to fight against a demon lord, it to fight Undead Apocalypse monsters called "Dead Mell