Luo Tianyi (洛天依) is a ChineseVOCALOID formerly developed by Bplats, Inc. under the YAMAHA Corporation, and was created in collaboration with Shanghai HENIAN. She was the grand winning entry of the "VOCALOID™ CHINA" contest which was held for choosing the design of the first ChineseVOCALOID. Tianyi was released in July 2012 for the VOCALOID3 engine. She was updated to the VOCALOID4 engine in December 2017 and was developed and distributed by Shanghai HENIAN.
it was announced that Tianyi's V4 package would be set for pre-order beginning on October 1 and that a sale would run from October 1 to October 31. It was confirmed that her V4 update would have two voicebanks: "Méng" (萌; English: Normal; literally "cute" or "moe") and "Níng" (凝; English: Power; literally: "solid", "cohesion", or "gathering strength").