It’s been a while since Yuina got lost in the world of succubi. So Succubus suggested that they try to seduce a man who hates succubi in order to test their abilities. Yuina and Succubus went to see Balkan, but he was as stubborn as rumored, and cried out the sadness he had experienced in the past and his hatred towards succubi! “Real succubi are beings that give pleasure to humans!” Succubus, who was furious, borrowed Yuina’s body and attacked Balkan! Can Balkan withstand Succubus’s superb technique!? What will happen to Yuina’s test of abilities!? In order to meet the Queen of Succubus, she must go deep into the castle of the incubus, protected by a barrier… In order to return to her original world and to remove the barrier, Yuina, a tomboyish girl who likes her brother, continues her naughty succubus training!