Caffein

Hatsune Miku: Years ago was a masterpiece of musical synthesis software that was able to inspire people when she sang as a humanoid robot. She was only able to sing, dance a bit, and talk a bit. She’s affordable for a humanoid robot but she’s still expensive. Yowane Haku: At a consumer electronics shop, she fell in love with Miku at first sight, and thought it would be a good idea to make music. But she wasn’t able to make good music with Miku and so Yowane Hapuked. A lifestyle living with Miku is difficult. “Yowane Haku” is a handle name.

The adventures of Gumi Megpoid and the rest of the internet-brigade. Gumi gives it her all to become a vocaloid and/or idol