Iruna @Now on Vgen!さんのイラストまとめ

next you have "the same character, but notably changed" like kotoe and ria (though ria's new design isn't out yet i dont think)
these two type are understandably common for commercial synths, i consider kafu and sekai to be sorta in-between?

i think the overlap between vtubers and synths is so interesting in how they choose to separate them
first you have "completely different character" types which was done with ZETA ages ago and you now on voicevox/aivoice
tsumugi and nyoki being canon cousins is so interesting

Likewise, Reco (レコ) uses Tsukuyomi-chan's voice and Kanata (カナタ) uses Ofuton-P's. However, you are free to use any voice you want as long as it allows ateleco. All of the three mascots permit commercial use, even by companies, as long as the voice does as well.

Nako (ナコ) is one of three COEIROINK mascots. She does not have a voice of her own, but you are free to use the character by dubbing her with other voicebanks. This is called "Ateleco" (アテレコ) and not every TTS allows it, so please check terms of use first. That said, all-

Ofuton-P, voicer of the UTAU Makimiya Fuuki (薪宮風季), has a voicebank available for the VOICEVOX derivative plugin COEIROINK. It's important to note this is not Fuuki, it is just おふとんP音声 (Ofuton-P voice). They primarily create UTAUs and free video games

Unoka seems to be tallest, with Yukari in second. I'm adding some wiggle room between all of them matching how far yukari/akari stray from the line, which seems to be about +2cm ; -3cm

akane is baaaarely taller but i think that was just an arrangement thing. in other art yuzuru is about the same height as the sisters so I put the line on akane rather than aoi

i grabbed the anniversary art with all of them together and threw it on a height tool. the scale is off; yukari is taller than the chart and akari shorter, but its decently close. going to try to estimate the rest

Kigashima Sourin is a fifth character initially teased as a single foot in the corner of an image. he is Actually the yellow one, not kotarou. In Chinese mythology, there is a fifth member of the "four symbols" who brings the five elements to completion.