Flower

flower (フラワ) is a Japanese VOCALOID initially developed and distributed by the YAMAHA Corporation, and was created in collaboration with Gynoid Co., Ltd.. Her VOCALOID product name is v flower (ブイフラワ) and she was released in May 2014 for the VOCALOID3 engine. Her voice provider has never been revealed. Her update to the VOCALOID4 engine was solely developed by Gynoid and released in July 2015.

In July 2020, a voicebank was confirmed to be in the works for CeVIO's new engine, CeVIO AI, expected to release in Autumn to Winter 2022. However, the voicebank was not released until March 10th, 2023. On her CeVIO AI Song Voice's first anniversary in March 2024, she was also ported to VoiSona Song. Her product name is Ci flower (シィ フラワー).

Ci flower is officially regarded as flower's "another if" (もう一つのif).

(Source: VOCALOID Synthesizer Wiki and CeVIO & VoiSona Wiki)