MRRN HPB BEST

 is the first solo cover album released by Momoshikiya Furukinokibano Shinobunimo Naoamariaru Mukashinarikeri.

It was initially released on April 8, 2023 as two concurrent CD-Rs, one of PLANCK STARS covers and one of covers of other groups under YABACUBE INC., as part of her 2023 birthday celebration merchandise.

The album was released on streaming and digital download services on July 24, 2023.

Tracklist
 All tracks are tagged with (ももしきや ver.; Momoshikiya ver.''). These tags have been left out to enhance readability. ''

Digital Version

 * 1) DARLING DARLING
 * 2) HiME IN THE VALLEY
 * 3) EGOIST
 * 4) Itakatta (痛かった; It Was Painful)
 * 5) Kore de Yatto Kimi to Hanashi ga Dekiru (これでやっと君と話ができる; I Can Finally Talk to You)
 * 6) grateful-sa (gratefulさ)
 * 7) Kimi ni Vibes wo (君にバイブスを; Give You Vibes)
 * 8) Spooky Party!!! (MELTY GHOST CLUB cover)
 * 9) Ikkakusenkin☆Wonderland (一攫千金☆わんだーらんど; Get Rich Quick ☆ Wonderland) (Zetsubou no Pomeranian cover)
 * 10) Butterfly (バタフライ) (Circle Crusher cover)
 * 11) Musekinin Rock (無責任ロック; Irresponsible Rock) (Bokura no Switch cover)
 * 12) JOURNEY (Gunjah Bangiras cover)
 * 13) Fude wo Totte (筆を執って; Pick Up the Pen) (Hikicomoteikoku cover)

Trivia

 * The cover was drawn by Anaru Rairai.
 * The sister group version was originally sold as part of Mori's birthday crowdfunding initiative.