Well, a plotline might be that Ayane is sent to Konoha on an exchange program. Naruto is assigned to show her around. At first, they don't get along, but as they share their life stories and experiences, they start to bond. There could be a sub - plot about Naruto's struggle to balance his feelings for Ayane with his duties as a ninja, and how they overcome obstacles in their relationship together.
A plotline could involve Ayane being a mysterious figure who has some unique power. Naruto is intrigued by her and tries to get to know her better. As they interact more, they find themselves falling in love. Maybe there's also a villain who wants to use Ayane's power for evil, and Naruto has to protect her.