Kihara Byouri vs Akira Otoishi: who would win?

Akira Otoishi favored — Slight edge (~55%)

Kihara Byouri · Toaru Majutsu no Index · Equ.DarkMatter implants

Tier

8-C

Attack Potency

Building Level

Speed

Supersonic

Durability

Street Level, up to Building Level

Akira Otoishi · JoJo's Bizarre Adventure · Base

Tier

8-C, up to HIGH 8-C

Attack Potency

Building Level, up to Large Building Level

Speed

Ftl

Durability

Athlete Level, up to Large Building Level

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