High School DxD DX. Vol. 4 (Light Novel)

The high school battle fantasy comedy filled with boobs and brawls continues with this collection of short stories featuring Issei, Rias, and the rest of the Occult Research Club. This time, Issei is busy helping new student council president Xenovia with her duties. Meanwhile, the next round of the Azazel Cup is announced, and it’s against the Sitri Clan! Issei is determined to get a rematch with Genshiro, and Xenovia is given the opportunity to shine as the new president.
Notice: This book is written in Japanese.