Add more focus on the (similar to Butter ). Create a different ending focusing on the obsession. Develop a story inspired by the Four Brothers' anime.
Eriko’s world narrowed. That evening, instead of going home, Eriko sat in her car across from Shoko's building, watching the lights in her apartment, her obsession turning into a sharp, poisonous desire to own that easy happiness. Yuzuki
When Eriko finally orchestrated a "chance" meeting with Shoko at a small, retro restaurant, she was captivated. Shoko was warm, radiating a kind of easy charm. "Friendship," Shoko said, sipping her drink, "is just about letting someone see you, even the messy parts." Add more focus on the (similar to Butter )