My Heartbeat Must Be Above 120

Qin Feng traveled to a parallel world and obtained a cheating system: the heartbeat system. If the heartbeat is lower than 120/min, Qin Feng will die! Play with the heartbeat! Therefore, Qin Feng needs stimulation! Electric shock, adrenaline, you can play as you want! The introduction is weak, please read the text... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.