After the Extreme Cold Apocalypse, I Moved into the Girls' Dormitory

[Invincible + apocalyptic zombies + many female characters + decisive killing + profit first + superpowers] The apocalypse is coming, zombies break out, Ye Cheng travels back to before the apocalypse begins, and this time he becomes the female dormitory manager. In times of crisis, he awakened the apocalyptic dormitory system. As long as he conquers the beautiful school beauty, he can obtain SSS-level powers! Bite! Congratulations to the host for taking in school beauty Lin Shixue and gaining the SSS level time zero power! [Ding! Congratulations to the host for taking in school beauty Shen Youwei and gaining SS-level spiritual powers! Since then, Ye Cheng has recruited school beauties, developed special abilities, and overthrown the world's most powerful enemies in the dangerous campus. He established his supreme territory in the university dormitory....