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