Lin Xiao, an ordinary "One Piece" fan, had a dark vision when he stayed up late reading comics.
When he woke up, he was lying on a strange beach with a mysterious blue mark on his left arm - the "Summoning Mark".
This is not a simple system, not a cold drawing of cards. The brand is connected to another world: Runeterra. There is only one condition for summoning heroes - the ultimate resonance of emotions.
