Sure, here's an example of unique content optimized for the keyword 'frisk x chara' using synonyms:
1. The protagonist and Chara
2. Frisk x the lost soul
3. The explorer and Chara
4. The courageous one 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.
