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