Kantan na Monitor desu - Reaper Game 05: Conclusion

With the revival of spiritual energy and the breakdown of the order of species, it is a difficult test whether human beings can still stand at the top of the biological chain.

(There is already an old book, The Strongest Descends in the City, you can read it.)

- Description from novelbuddy

Summoning ceremonies can freely call forth even “those which lurk in the depths beyond the gods”. One boy has top-level abilities even among the cutting-edge summoners who can use those ceremonies. He is Alice (with) Rabbit aka Shiroyama Kyousuke. But this strongest boy summoner has a single fatal weakness. Certain “cursed words” spoken by girls: “Help me.”

When Kyousuke hears those words from Meinokawa Higan, a girl brought to the verge of death, he throws himself into a city where three great summoner forces clash!

Lin Xing has the ability to turn back time.Whenever he faces a life-threatening danger, he would return to the past.He falls to his death, and returns 5 seconds earlier.He is killed by a falling object, and returns 1 minute earlier.He is struck down by a dump truck, and returns 20 minutes earlier.Then one day... he finds himself having returned to one year ago.

"An accident. She's pregnant. How unlucky. She got pregnant in one shot!