Tokyo: This Inheritor Is in Trouble

Jiang Xun and his two ex-girlfriends from his previous life traveled to college at different times and with different systems. Complete various system tasks and unlock the resonance value to save the world from the scheduled disaster. "Can my ex-girlfriend be my rescue teammate? Not bad, just skip the running-in period." "No, don't seek death." In this way, Jiang Xun and his ex-ex-girlfriend from the future who had not yet traveled through time began to plan to save his ex-girlfriend from the future. Multiple heroines + love + system