MMR-346 MMR-346 Sweet Heart/彩川ひなの Released 2014-01-31. Release date 2014-01-31 Updated 2026-08-27 04:13 Performers Our records list no performers for this title. MMR-345 MMR-347 Related entries MMR 2014 Record & updates First seen 2026-08-25 Last verified 2026-10-26 Public content updated 2026-08-27 04:13 Request correction or removal Report a data issue