I'm Not a Taimanin

There is an unspoken rule of "non-interference" between humans and demons, but criminal organizations and corporate activities colluded between humans and demons are carried out secretly. The Dark Arena is the home of the demon world's activities in the human world, and all kinds of evil things are obvious. Lin Tian came to this world and was reborn as the younger brother of a certain suffering master Kyousuke. Kyoutian was no longer called Kousuke, and the new suffering master began to look towards Asha Ji. . . . . Linked with Demon Knights and Iron Witch! The heroine Murasaki Yatsu, Asaki, Ingrid, Sakura, Asuka, the kunoichi of the Yukikaze family, Rinko, Red, Green! Kiryu goes to Kotonoguro and Odote. . . . . This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.