[Anime-inspired + Ultraman-like + passionate Nexus-style story + growth-oriented protagonist]
A meteorite, and two souls bound together by fate.
His name is Liyu Ye, a high school student who unexpectedly transmigrated into another world. The other's name is Zero, the last survivor of a fallen civilization. When Liyu Ye accidentally touches a fragment of the meteorite that seals Zero's consciousness core, their fates become intertwined.
Dimensional Beasts, the ultimate weapons created by Zero's civilization, have now escaped control and are devouring dimensions one after another. Liyu Ye is forced to become the Host of the artificial Dimensional Beast "Avenger." Every transformation makes him endure pain at 100% synchronization. The scars of battle disappear under Zero's healing, but the fear remains, as does the confusion, and so do the voices that keep questioning him in the dead of night.
He doesn't want to be a hero. He just wants to return to his own world and go back to living an ordinary high school student's life. But the Dimensional Beasts won't wait for him to be ready, and neither will the people of this world. When the sky splits open again and that blue-white light wells up from his chest once more, he must make a choice: run away or fight.
This isn't a story about courage and glory. It's a story about the price one must pay. It's about an ordinary person learning, amid fear and pain, to pay the price for his choices.