Shuu Tsukiyama vs Frieren: who would win?

Shuu Tsukiyama favored — Slight edge (~55%)

Shuu Tsukiyama · Tokyo Ghoul · Tokyo Ghoul: Re

Tier
LOW 7-C
Attack Potency
Small Town Level
Speed
Massively Hypersonic
Durability
Small Town Level

Frieren · Frieren: Beyond Journey's End · Base

Tier
LOW 7-C, up to 7-B
Attack Potency
Small Town Level, up to City Level
Speed
Hypersonic
Durability
Small Town Level

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