Sure, here's an example of unique content optimized for the keyword 'frisk x chara' using synonyms: 1. The main character and Chara 2. Frisk with Chara 3. The adventurer with Chara 4. Frisk 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.