Kousuke Endou

Overview
A member of Nagayama's party. He also has a very weak presence and can't be noticed by labyrinth monsters or automatic doors.

A year after coming back to earth, is revealed that he started dating a rabbit girl of the Haulia Tribe and is studying medicine for the tribe since they have no one with that talent. He also started calling Hajime Boss and was given the name Kosuke E Abyssgate after being accepted into the tribe.

Personality
Kosuke have a normal personality, although he always complain about his very weak presence that make the others doesn't notice him. When his skill Abyss Lord active, his personality became chuuni.

Abilities
Kosuke Job as Assassin give him an ability that allow him hide his presence and move quick. Later, after obtaining Age of the God's Magic Gravity and awaken skill Abyss Lord, he become the strongest amongst his peer (excluding Hajime and his harem).

Relationships
Nagumo Hajime: Kousuke have a close relationship with Hajime. Both consider each other as bosom friend. This stem from the fact both of them being treated as a chuuni along with having Hauria member as their girlfriend.

Rana Hauria: Kosuke girlfriend. He fell in love with her during The Great War. At first, he is rejected successively, after seeing his determination, she present him with a condition that if he can at least put a scratch on Hajime, she will go out with him ,which he eventually success in doing so. As Kosuke will eventually become head of Hauria, she wanted him to have a harem like Hajime.