Unwillingly dragged into a dark underworld full of secrets and mysteries, a girl names Kira will try to balance her life between the unknown and forbidden love. Will she gather the strength to surmount her deepest fears and unearth the well- kept secret of mankind? There's no turning back...

Ever loved a guy just to find out that he was gay?

In a frame-up, she had been exiled to a deserted island and left to her own devices. It had been five years since they had last met, and she had taken the baby home, only to lose her memory. "You've signed the contract with me for three years," he said in a cold, determined tone. "Please take care of yourself," Yearning said through clenched teeth. You're a shameless bastard, Joe Muyuan...

This is a story that teaches various techniques for intimate activities.