"My Most Precious Treasure" (一番の宝物, Ichiban no Takaramono) is a song by various artists from the Angel Beats! franchise. Three separate renditions of this song exist: Yui's version, the original version, and Yui's final version. Yui's version was used as an ending theme for Episode 10 of the anime series. It was released as an album track for the album "Keep the Beats!" and is sung by Girls Dead Monster feat. LiSA. The original version was played in the final episode and is sung by karuta. The song was released in the Angel Beats! Original Soundtrack. A third version of this song, "Yui's final version," was released as a separate single at the termination of the GDM project and was again sung by LiSA.