Reality Quest

[Due to threats from a bully to get a game item,
Ha Do-Wan dies as an unfortunate game shuttle after playing games for a week straight without sleep.
At that moment, he respawns in the classroom a week ago…
Everything is same as that day. There is only one difference, a in front of his eyes!
What? Beat up the bully using the skills from the games I’ve played?!?!]