Idol × Warrior Miracle Tunes! S01 E29 Hikari, Big Trouble as a Mountain Girl!

Hikari becomes restless and determined to find the Crystal Jewels. While Miracle² goes on a hiking trip to Mt. Christa, she tracks down a Negative Aura to a hiker (Kazuki Namioka), who turns into the Super Negative Jeweler Kaizo. Miracle Tunes use the Hip Hop Jewel to defeat him, with Hikari leading the rap battle, and they recover her Crystal Jewel.