Inma wa Oji-san ni Oishiku Itadakaremashita (Official)

The incubus Landus' job is to meet up with various women each night and obtain their sensual energy. However, one day, he heads to the home of his next target only to discover that it's a middle-aged man with a scraggly beard! While he is clearly taken aback, Landus seemingly has no choice but to obtain this man's energy, so he reluctantly transforms into a woman. While uninterested at first, once he experiences the touch of a man, he...