Best Female Singing Synthesizer Characters

Out of all female Vocaloids, Utaus, and Cevios ever created, who is the best of the best? May the person with the most love win!
The Top Ten
1 Miku Hatsune Hatsune Miku, sometimes referred to as Miku Hatsune, is a humanoid persona voiced by a singing synthesizer application developed by Crypton Future Media.

She's the first ever Vocaloid that I listened to, and she's really cute! - Larkfern the Crammy Cat Brain

2 Rin Kagamine Rin Kagamine is a female Vocaloid created by Crypton Future Media. She can be bought with her counterpart Len Kagamine. She is voiced by Asami Shimoda.
3 GUMI (Vocaloid) GUMI is a female Vocaloid created by Internet Co., Ltd. She is the most popular non-Crypton Vocaloid of all time. She is voiced by Megumi Nakajima.
4 Luka Megurine Megurine Luka (巡音ルカ), codenamed CV03, is a Japanese VOCALOID developed and distributed by Crypton Future Media, Inc., and was initially released in January 2009 for the VOCALOID2 engine. She is the third release of Crypton's Character Vocal Series and is a Character Voice VOCALOID. In March 2015, additional voicebanks and an upgrade to the VOCALOID4 engine were released... read more
5 IA (Vocaloid) IA is a humanoid persona voiced by a singing synthesizer application developed by 1st Place Co., Ltd., headquartered in Meguro, Japan. They use Yamaha Corporation's Vocaloid 3 singing synthesizer technology. Her voice is sampled by Lia.
6 Yukari Yuzuki
7 Una Otomachi
8 Flower (Vocaloid)
9 Kizuna Akari
10 Teto Kasane
The Contenders
11 Lily (Vocaloid) Lily (リリィ) is a female Vocaloid created by Internet Co., Ltd., done in collaboration with Avex Management Co., Ltd and YAMAHA Corporation, and was initially released in August 2010 for the VOCALOID2 engine. There has since been a second installment developed for the VOCALOID3 engine and dubbed V3 Lily. She is voiced by the Japanese female singer, musician and performance artist, Yuri Masuda (益田祐里; Masuda Yuri).
12 MEIKO (Vocaloid) MEIKO is a humanoid persona voiced by a singing synthesizer application called Vocaloid developed by Yamaha Corporation.
13 CUL (Vocaloid)
14 ONE (Cevio)
15 MAYU (Vocaloid) MAYU is a female Vocaloid created by EXIT TUNES Co., Ltd. She generally has mixed reception. She is voiced by Mayumi Morinaga.
16 Yuki Kaai
17 Iroha Nekomura
18 Nana Macne
19 Zunko Tohoku Tohoku Zunko is a character created for Voiceroid and was later also developed for the Vocaloid 3 engine.
20 Lapis Aoki
21 Xin Hua
22 Haruno Sora
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