heart_wa_mangekyou_(vocaloid) 「ハートは万華鏡」 ("Heart is a Kaleidoscope") A song by Ecomaru (えこまる) featuring Kagamine Rin. * NicoNico PV h4. See Also * List of Vocaloid Songs Revision 2 by Anonymous at 2025-04-19 08:58:08.481463