Hatsune Miku
A series of rhythm games starting from "" were produced by Sega under license using Hatsune Miku and other Crypton Vocaloids, as well as "fan-made" Vocaloids like Akita Neru. TinierMe also made attire that looks like Miku's for their services, allowing users to make their avatar resemble her. The series has sold 6million copies. "" was developed for the Nintendo 3DS. Miku's appearance in this game is based on the Nendoroid series of figures. Hatsune Miku is also briefly referenced in the game "Recettear", where a young man stargazing sees "The Green-Onion Girl" constellation. Also, in 2013, Saki Fujita voices Fei-Yen HD, a character based on one of Hatsune Miku's modules, in "Super Robot Wars UX"; this appearance does not use Miku's vocal library.
Vocaloid 2
VY2 was the second addition to the "VY" series, after VY1 and was designed to compliment the VY1 voice, its codename is "Yūma". The voice of VY2 is masculine and sings in Japanese. It was released on April 25, 2011. VY1 it also was designed to be unbound by having no set avatar allowing it to take any appearance, sex or age. Effort was made to disassociate VY2 with anything personal, bares a sword on the boxart because they felt items such as clothing would be too personal but chose its codename to help direct producers to the direction the voice was heading for of a handsome young male. A producer working with the VY2 found when he wrote a song that VY2 was the only male Japanese vocal that could produce a quality of vocal good enough for the song and he labelled the vocal as the best Japanese male. When producing this vocal, the developers had compare it also with other masculine vocals within the series (excluding Ryuto and Kagamine Len, both of which are voiced by female vocalists), with only the Gackpoid software coming close to VY2.