Sure, here's an example of unique content optimized for the keyword 'frisk x chara' using synonyms: 1. The protagonist and Chara 2. The hero with the lost soul 3. Frisk with Chara 4. Frisk and Chara 5. The challenger 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.