head to head
Her StoryvsThe Seven Deadly Sins: Grand Cross
Her Story leans Optimization (Systems & Chaos); The Seven Deadly Sins: Grand Cross leans Optimization (Systems & Chaos).
Her StoryThe Seven Deadly Sins: Grand Cross
Axis by axis
Execution0 vs 1
The Seven Deadly Sins: Grand Cross leans harder on execution: Card-tap combat has no physical ceiling
Reads1 vs 1
Even - both lean on reads about the same.
Variance5 vs 6
The Seven Deadly Sins: Grand Cross leans harder on variance: Gacha pulls and battle card draws dominate options
Optimization7 vs 7
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

