The Lone Necromancer - Vol. 1 Ch. 84

[MangaDex]

 

[NerdySasquatch]

The chineese invaders again. They can't steal credit for Olympic medals in this world so they settled for indiscriminate conquering and pillaging. Fun fact apparently the gacha machines can provide food [they talked about it in an earlier chapter] so funny enough the apocalypse actually helped their starvation situation.

 

[welcome2atlantis]

Maybe those were university jackets, thus the initials?