Mecha Star Chronicle: My Ultraman Form Only Lasts 10 Seconds?!

Lin Fan was ready to give up on life—until a stranger at her door claimed she could transform into Ultraman. Skeptical but desperate, she discovered the impossible was real: she could fly, fight monsters, and become invincible! Just one problem: her transformation is completely uncontrollable and lasts exactly 10 seconds. Now this accidental hero must master her chaotic powers while battling cosmic threats, because the stars won't wait for her to figure things out!