The World's Fastest Level Up! - Vol. 5 Ch. 30

[MangaDex]

 

[Lyncker]

O shiiiiiiet heroic onii chan entrance(I expected a cooler pose)

 

[albirew]

onii-chan ex machina

 

[Abulla02]

The Biggest Power on Manga and Anime. That's summon MC

 

[Thunderator]

I just hope he kills the guy, it wouldn't make sense to let him live....