Iruna @Now on Vgen!さんのイラストまとめ

Dr. Dareka is the inventor of Nurse Robot T. He's lost his memory, and no one knows his real name. He only appears to preform surgery , and otherwise acts through a floating robot. The patients think the robot is the doctor, but he's human. //He is human//. Really, he is.

Nurse Robot [Type T] is the Kuranari hospital's star, getting the most content from official and fan sources alike. She's popular for gentleness, but will destroy anything she dislikes, especially other robots. There was never another robot. There wasn't. None never existed.

Matsuo Tsubasa (松尾つばさ) is an UTAU from Matsuo Recording and a member of Kuranari Private Hospital, a horror-themed UTAU project. Once a hospital nurse, Tsubasa passed away in a tragic accident.

Tia Dacia (ティア・ダチア) is an utaite with an upcoming VCV UTAU nearing completion. She was configured by NakoTalk, who also configured Hako. I'm not sure if they're siblings or mirrors or something but there's also a boy voice by the same person

Hikali (星羽hikali) is yet another vocal from HuanXing project. Haunted house enthusiast and enemy of premature love, possibly the group leader. I'm not sure if her name 星羽 is "Xingyu" or "Hoshiba/Seiha" since hikali is modified Japanese

Hako is a 5-pitch VCV UTAU. I'm not sure I understand what his personality is supposed to be-- "suppresses self-assertion", "lacks humanity", "radical"???
he's always with a spirit named Koko
the people in the second image are his developers

Mian Qian'shi (眠千诗) is an UTAU, DeepVocal, and Yue Jianyi's best friend. She has Chinese and Japanese voicebanks, and used to be known as Mianmian Yi (眠绵漪)

Yong Qi (勇氣) is a Sharpkey that's been updated to DeepVocal. She also has several UTAU and NIAONiao voicebanks, including an English using CZ phonemes. Her name means "courage",

Yuan Xiao (元筱) was the third Sharpkey, and the second original character. She was the first CVVC voicebank made for the engine.

Lian Hua (莲华) is a NIAONiao, UTAU, and Sharpkey. Her Sharpkey can be used in DeepVocal, but she also has a DV-specific update distributed via QQ