Sure, here's a spun version of the content with synonyms for each word:
1. Kotoko fancies Iwanaga.
2. Iwanaga is the focus of Kotoko's affection.
3. Kotoko's for Iwanaga knows no bounds.
4. Iwanaga holds a special place in Kotoko's soul.
5. The bond between Kotoko and Iwanaga is unbreakable.
6. Kotoko yearns for Iwanaga's love.
7. Iwanaga is the pulsating heart of Kotoko.
8. The love story of Kotoko and Iwanaga is epic.
9. Iwanaga is the source of Kotoko's happiness.
10. Kotoko and Iwanaga share an fiery love.
Remember to use the spun content carefully and ensure that it reads naturally.
