Sure, here's an example of unique content optimized for the keyword 'frisk x chara' using synonyms:
1. The protagonist and the fallen human
2. The hero with Chara
3. The adventurer x Chara
4. The fearless soul with the troubled spirit
5. Frisk and Chara
Remember, you can create an infinite number of
combinations using different synonyms and variations, but make sure to maintain readability and coherence.