Flynn Nightwalker, Goldenleaf kingdom's strongest assassin, was killed by his own comrades. For a reason unknown, he was reincarnated as Han Cheol, a former famous Esports player who lived the life of trash prior to attempted suicide. With a second chance in life, he swore not to swear loyalty and trust just to anyone, while fulfilling the wish of the real Han Cheol - to become the best gamer there is.