Transforming Korean Milf landlords into Succubus

Waking up from a nap, Alexander found himself transported to a parallel world! He became a foreign student from America in South Korea! Furthermore, he awakened the dark book of the golden finger, able to see the dark side within people's hearts and summon demons from it! As for himself, he could acquire the strongest abilities of the demons! Just then,a sexually frustrated widow landlady came to raise the rent and make things difficult for Alexander!