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