The collaboration song "Muscle Please!" (COVER) with Nakayama Kinni-Kun has surpassed 3 million streaming plays and "Yume To Hazakura" (COVER) has been No. 1 on the J-POP charts in 14 countries. An anime and vocaloid cover song singer <Singing Cosplayer Hikari>'s latest digital single is the vocaloid song "As You Like It" written and composed by Eve.