少年ブレイヴ / Shounen Brave, by じん (自然の敵P) / Jin (Shizen no Teki-P) featuring nano.RIPE Kimiko.

This is an official cover of the original Shounen Brave by nano.RIPE Kimiko. It has a different arrangment, by Nakanishi Ryousuke, which is about 10 BPM slower than the original and has different instrumentals. Moreover, it features a gorgeous alternate music video by Shidu.

Difficulty: Extreme ☆9.0
CSInput included.

Edit 28-10-2023: Fixed multis at 4:11.

Autoplay:


There's also a chart for the original Shounen Brave sung by IA following the original arrangement:
https://projectdxxx.me/score/index/id/fcd2955c95f0225d3b2fc77cf386c0d5