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