Anime Crossover: Tower of Eternity

The Tower of Eternity.

A place woven from countless worlds.

Some worlds are full of danger, while others offer peaceful, heartwarming everyday life...

Only the strong can thrive here and live freely. The weak will simply be eliminated.

"Welcome, challenger number 10,086. Countless monsters, powerful foes, and natural disasters await to kill you here... But countless opportunities to grow stronger await you as well. Climb to the top of the tower!"

When Xuan Yuan Yu came to his senses, he found himself in an unfamiliar place.

"Is your older brother still alive?"

"He passed away yesterday."

"I see. Since Tsugikuni Yoriichi is dead, there's no need for us to keep hiding."

When Kibutsuji Muzan led countless demons in a massacre of humanity, one man and one sword stood in their way.

A flash of swordlight illuminated the entire night sky, ripping open the heavens and terrifying every demon.

"R-retreat... If we can't beat him, I refuse to believe we can't outlast him."

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Do not imitate.