One Punch, One Knife 999

Traveling to the world of One Punch Man, you see the weird Mosquito Girl in front of you. The Yidao 999 system was activated, and Gu Tian swatted a mosquito to death. Bite! Your level has been upgraded to: Level 2! Your level has been increased to: Level 3! Your level has been upgraded to: Level 4! … Your level has been increased to: level 999! "Isn't it, Zhen Yida 999? Am I the hero of the invincible novel?" Ding! Dimension Chat** invites you to join! "Thanks for the invitation, I'm the best in the world with a sword of 999, **chat**!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.