奏（かなで） [Kanade] - Sukima Switch (Lyrics) by 粉ミルク

映画のタイトル: 一週間 フレンズ (Isshukan Furenzu/One Week Friends)
Watch Shigatsu wa Kimi no Uso Live Action: Kaori's Love Letter
https://www.youtube.com/watch?v=bM7dp-I4AF8

Kanade by Sukima Switch Lyrics w/ Guitar and Piano
One Week Friends You Official Movie Sound Track
Available Subtitles: Thai, Korean, Chinese (Taiwan)
No Copyright Intended.

Credits to the following sources:
(Cover Song) - https://www.youtube.com/watch?v=RMQgikROUUs
(Piano Background) - https://www.youtube.com/watch?v=NZPADQzxoZs
Original Song By: Sukima Switch (スキマスイッチ)