The world view is still based on the original work, but Nohara Rin did not die due to the Three-Tails Incident. Instead, she grew up safely and still liked Kakashi, but she confessed her love many times to no avail.
Until Team 7 led by Kakashi was established, Lin and Sakura became good friends because of their affinity. Sakura even wanted to bring Lin and Kakashi together.
Concept: (Kasakura) Naruto fanfic HE medium-length novel