Superman (Earth One) vs Hakurou (Web Novel): who would win?

Superman (Earth One) favored — Slight edge (~55%)

Superman (Earth One) · DC · Base

Tier

7-B

Attack Potency

City Level

Speed

Massively Hypersonic

Durability

City Level

Hakurou (Web Novel) · Tensei Shitara Slime Datta Ken · Pre-Harvest Festival

Tier

7-B

Attack Potency

City Level

Speed

Transonic, up to Massively Hypersonic

Durability

City Level

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