This sheet music is the piano solo score of "Shiranai Otokonoko (知らない男の子)" from the OST of the "Even if This Love Disappears from the World Tonight (今夜、世界からこの恋が消えても)".
This is not have performance video.
Please refer to the soundtrack.
▼Click here for the "Even if This Love Disappears from the World Tonight (今夜、世界からこの恋が消えても)" sheet music set
https://mymusic.st/sammyofficial/96865