I'd recommend checking out 'Love's Early Dawn'. This fanfic focuses on the early blossoming of love between Sakura and Naruto, with lots of interesting plot twists and character developments.
There are quite a few fanfics out there with this theme. One popular one is 'The Blossoming of Love' where their relationship develops earlier than in the original story.
Well, you could try 'Early Love Bonds' fanfic. In this one, Sakura's feelings for Naruto evolve sooner than usual. It's a great read if you're into this kind of storyline.
Chapter 93, "Regrouping at the Camp", is the clearest early answer because it turns Cold Beast's situation into a concrete plot event. The setup is In the end, the four large knives fell into the hands of Luo Yuan,..., but the pressure keeps building through Leader, the one who lasted the longest among the remaining twenty-one....
Chapter 400, "Training Lyone On The Way", is the clearest early answer because it turns Damien's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Arielle approached, brushing ash from her cloak. and follows through with They were something in between—something willing to twist nature....
Chapter 112, "Is It Real or Fake?", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. The chapter turns that into something concrete by moving from With previous battle experience, leading the encirclement this time,... to Xia Chuan and Luo Yuan followed closely behind..
Chapter 467, "Traveling And Hunting", is the clearest early answer because it pushes Damien into a new phase or setting. The chapter turns that into something concrete by moving from The wind cut sharply through the open sky as Skylar sliced across the... to Skylar growled low, sniffing the air..
Chapter 404, "Arrival At Delwig", is the clearest early answer because it turns Damien's situation into a concrete plot event. The setup is The road north wound steadily downward, the mountains of Greshan..., but the pressure keeps building through Fields of wheat and orchard groves extended for miles, all bordered....
Chapter 51, "Conflict Resurfaces [Please Follow!]", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. The chapter turns that into something concrete by moving from The camps surrounding Redwood Ridge, although all located on the east... to Western inner perimeter of Redwood Ridge Unaware of Da Shi Camp's....
Chapter 72, "The Iron Age", is the clearest early answer because it turns Shi Ping's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Leader, what is this?" The sudden appearance of three objects by the... and follows through with After all, the blade mold he was forging could, in a sense, signify....
Chapter 466, "Departure", is the clearest early answer because it pushes Damien into a new phase or setting. A useful checkpoint is the way the scene starts with Damien drifted in two spaces at once. and follows through with Because if he didn't grow stronger now, no one he cared for would....
Chapter 400, "Training Lyone On The Way", is the clearest early answer because it turns Damien's situation into a concrete plot event. The chapter turns that into something concrete by moving from Arielle approached, brushing ash from her cloak. to She said nothing, but her sharp gaze followed every movement, every....
Chapter 111, "Escape from Desperation [3-in-1 Mega Chapter]", is the clearest early answer because it turns Chen Ye's situation into a concrete plot event. The chapter turns that into something concrete by moving from After listening for a while, Chen Ying quietly descended, his waxy... to Chen Ying followed the sound and found a grown woman by the bonfire,....