That Time When I Became A Slime Inside A VRMMORPG

Satoru Mikami, An 18 year old boy who goes to Kyoto University.

He's a generic introverted student who spent practically his whole life playing games.

...One day, He returned to his dorm room after buying a new popular VRMMORPG.

Something went wrong while playing the game and then...

...He suddenly found himself stuck inside the game as a weak little slime.