Debut R18+ otome ADV by new brand Eins. Nine years ago the heroine, Tooko, disappeared while out playing in her family’s garden. She reappeared a number of days later unharmed but with no memory of what happened to her. Soon after, rumours began to circulate that she had been spirited away by a demon and was henceforth referred to as the “Demon’s mistress”. Due to these rumours, no suitor would approach Tooko, even though she was from a rich family. In order to avoid any more shame, her family hid her away in one of their mansions in the countryside. With nothing to do, Tooko spends her days aimlessly sitting in the mansion as she isn’t allowed to leave. She always wishes that someone would come and take her to the outside world. She thinks that nobody hears her wish, until she comes face to face with a beautiful demon…