one day the no. 1 player ‘kim jihan’ who reached the apex rank using bugs of the game gets his character deleted by a mysterious user and becomes level 1. ‘i should not have used bugs to level up…’ while jihan was regretting his past a new opportunity arrives… “i’ll make you a ranker again in a way that will knock out buggies like you.” this is the story of the strongest bug player who regressed into a bug hunter who catches bugs!