Isekai Maou to Shoukan Shoujo no Dorei Majutsu - Volume 8 Chapter 5

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

Chang’an, Jan. 14th of lunar month, Tianbao Year 3 (744AD), Tang Dynasty.

For residents of Imperial City, what awaits them when the city enjoys its dazzling brilliance and joy of the Lantern Festival is an unexpected catastrophe that’ll destroy all. Tujue (a nationality in the north of ancient China), Wolfpack, kidnapping, assassination, rampant flames that scorch all…start the gear for the doom of and the Longest Day in Chang’an.

And the only hope lies in a one-eyed convict sentenced to death and the fleeting Twelve Hours…Will Chang’an, the city of prosperity, survive the longest day ever or will it burn…

A class full of idols and beautiful people are sent to another world. However there is one guy who is ugly, fat and smells… our protagonist. This is his comedic story of evolution and the slow building of his harem. The first heroine is a gorilla.

He is an undead who is devoid of all humanity, he is the one and only supreme overlord, he is a man who has severe mysophobia.