Anime Crossover: Sign-In Across Multiple Worlds, Starting as the Herrscher of Reason

After transmigrating to a crossover world under attack from disasters, he awakened the Myriad Worlds Sign-In System.

He thought that signing in within his own world and obtaining the Herrscher of Reason’s authority would be more than enough to protect himself.

Unexpectedly, he was then selected by a dimensional chat group and given the chance to sign in across other worlds!

[Ding! Congratulations, Host. You signed in to the Genshin Impact world and obtained the Heavenly Principles’ authority, along with the loyalty of the Four Shades of Heaven.]

[Ding! Congratulations, Host. You signed in to the Demon Slayer world and obtained a perfected immortal body. Nothing short of a rule-level power can erase you.]

[Ding! Congratulations, Host…]

He signed in across countless worlds, grew stronger, and established both Schicksal and Anti-Entropy in a crossover world that was slowly falling apart.

He had planned to journey toward the end of the Tree and the Sea, but along the way, he met countless beautiful women.

Kasumi no Uta: “Tsk, you’re really no fun, Chairman!”

“You saved a damsel in distress and left such a deep impression on her, then flirted with her only to walk away?”

Eiriri: “This is so unfair! I was here first! What happened to the double ponytails giving me an attack-speed bonus? Come on, make your move!”

Esdeath: “This man is stronger than me. I can’t beat him in combat, so I’ll conquer him in every other way!”

Raiden Ei: “He saved my sister. If he would only…”