Shangri-La Frontier Vol. 21 by Ryosuke Fuji

A fast-paced, irreverent adventure for fans of isekai and RPGs! High schooler Rakuro loves hunting down "trash games," but one day he decides to play a AAA VR game called Shangri-La Frontier instead. He creates a character with a bird head, skips the cutscenes and jumps right in--but what awaits him in this game is different from anything he's ever faced...