Toyama Luca vs Mousers: who would win?

Mousers favored — Slight edge (~55%)

Toyama Luca · Toaru Majutsu no Index · Base

Tier

9-C, up to 9-B

Attack Potency

Street Level, up to Wall Level

Speed

Peak Human, up to Superhuman

Durability

Street Level

Mousers · Teenage Mutant Ninja Turtles · Base

Tier

9-C, up to 9-B

Attack Potency

Street Level, up to Wall Level

Speed

Hypersonic

Durability

Street Level

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.