High School D×D: Inheritance and Protection

Issei's death. A new Sekiryuutei was born - Temple Gate Kensho. Accepted the opinion of the Fallen Angel Governor. An unlimited agreement was made with the Governor. In order to escape the fate of the Sekiryuutei. He chose to guard the underworld until Hyoudou Issei was resurrected. A mission to protect everything Hyoudou Issei wants to protect. He - Temple Gate Qiansheng. How will the underworld be protected from the attacks of the mythical gods? Can he truly inherit everything Hyoudou Issei wants to protect? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.