Why Are You Crying? Because I Married Your Mom After You Broke up with Me? - Chapter 404 - : Brothers Joining Hands

Lynn embarks on a fantastical journey to a realm reminiscent of medieval Europe, yet infused with extraordinary magical abilities. Here, the very fabric of reality is governed by the enigmatic theory of magic, which harnesses and manipulates fundamental particles.

In this world, wizards, who are essentially scientific spell casters, find themselves locked in a relentless battle against the oppressive Church.

However, when Lynn arrives, a harbinger of an otherworldly Renaissance, the tides of change are set in motion, unveiling a thrilling tale of discovery, intrigue, and the struggle for enlightenment.

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

- Description from Novelupdates

Akira Kisaragi traverses into the Bleach world, unlocking a check-in system.He initially thought that by checking in daily, he could become stronger, soon become the Captain-Commander, join Division Zero, punch Yhwach, kick the Soul King, and marry Unohana...However, the system's style wasn't quite what he had imagined.〈 Check-in complete, obtained Genryūsai Yamamoto's secret roasted sweet potato! 〉〈 Check-in complete, obtained exclusive attribute: King of Normal Attacks, effect... 〉〈 Check-in complete, obtained Retsu Unohana's... 〉Akira's eyes suddenly lit up!“Seems like this might not be so bad after all!”

He used to think Death was the end.He was wrong.Death was but another beginning, a new adventure.Reborn into this strange and familiar world, he should have been dead, his soul fading into nothingness, but he found himself in a completely new existence. Now, as a Primordial instead of a human, he must find his place in this wondrous world.