Inuyasha's demihuman system

Story of: Inuyasha's demihuman systemI was reborn and returned to the era of Inu Admiral, and obtained the 'Demi-human' system, vowing to evolve me into an immortal being.Ding!!!"The task is given, 'Possess Suuji'. Suuji is a powerful miko. As a monster, if you can possess this mortal enemy, you will definitely become famous in the monster world. You can get 1,000 points for completing the task."Ding!!!"A mission is given, 'Kiss the Demon Goddess Jiuye'. They are both immortal beings and should be treated with enthusiasm. You can get 10,000 points for completing the mission."······In order to survive in this Warring States era, in order to become stronger, in order to become an immortal existence, Kuroba Chisha had to complete the bizarre tasks issued by the demi-human system.