Multicrossover: I Took Utaha's Virginity At The Beginning! - Chapter 14 - 13: Conquer Fire, Extinguish Fire

Jack transmigrated to a parallel world and locked on to a Judge System that provided rewards for punishing evil. Hence, an Adjudicator of Death who stood above the law was hence born.

You shall become king—

Ruling over all “serpents” in the world…

Become the man who bears the brunt of dragonkind’s fear and hatred.

A modern era when humanity is threatened by attacks from giant dragons flying from beyond the sky.

Controlling “leviathans”—serpentine spiritual beings created through magic—humanity is locked in a protracted war of resistance against the dragons.

Fortunately, there exist witches known as “magi”—battle maidens of salvation who formed covenants with “serpents” in order to combat dragons.

Nicknamed Hal, the young man called Haruga Haruomi makes his living through facilitating the covenants of these girls.

At the (partially coercive) request of his childhood friend Asya, one of Europe’s top witches, Hal returns to Tokyo New Town after an absence of three years.

Accompanied by the beautiful Asya whose appearance rivaled a fairy’s, Hal is running all over the place to secure his base of operations and taking care of matters related to school transfer when the elite dragon Soth suddenly attacks—!?

Life has been breathed into a brand new myth between dragons and dragonslayers.

A grand opening to the “birth” of a top-class battle epic!

Yan Hua loses her memory in an accident. Later, she is pregnant with someone else’s child. After kicked out of her husband’s house, Yan Hua is about to perform the story of an inspiring mother raising her child. Unexpectedly, the baby is regarded as a real treasure and, thus a bunch of people are rushing to acknowledge as the baby’s relatives. Therefore, Yan Hua is drawn into the whirlpool of disputes inside a noble family with ambitious aunt and unproved mysterious brother-in-law… Who is the father of her child? Who is she? Facing all these issues, what is her choice?

- Description from Novelupdates

A human warrior cultivating the Ancient Strengthening Technique has transcended dimensions and arrived on Kyushu. Together with twelve ravishing beauties with looks that were unmatched in their generation, will he be able to stand on the summit of this world?