Fantasy World Legend

The protagonist traveled to the game world and thought that he could dominate the game with his max-level account. Unexpectedly, his college roommate traveled through time together and turned into a cute girl. The roommate had no choice but to accept this setting, but it also made the roommate dislike the protagonist having a girl around him. As a bad friend, how could he allow the protagonist to have a harem. And elsewhere, what can the appearance of the man in black robe bring to the world? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.