Celica Magia -tsundere Childhood Friend Becomes...

"Don't be stupid!" Celica’s voice cracked. She shoved him aside with surprising strength. "You can't fight that with a math textbook!"

Light exploded from her chest—not the chain’s cruel glow, but a fierce, silver fire. It was her magic, the one she had buried to save her sanity. The chains melted. The Demon Lord roared. Celica Magia -Tsundere Childhood Friend Becomes...

"But you used a legendary High-Potion worth a million gold coins..." "Don't be stupid

Much like the plot of Tenkousaki , the childhood friend often returns after years apart, having transformed into a "beautiful and innocent girl" (or sometimes a powerful warrior) that the protagonist no longer recognizes. Why We Root for the Underdog It was her magic, the one she had buried to save her sanity

She looked like a princess from a fairy tale. A very dangerous, very angry princess.

Ren tied the bandage. “Celica.”