Masaki Tsuzuki

Tsuzuki began his career as a doujinshi artist and once ran a doujin circle called PINK VISION. He later worked at the adult game company Ivory(stylized as ivory), where he developed the Triangle Heart series of visual novels. Afterwards, he joined animation studio Seven Arcs.

He is said to be friends with Symphogear series creator Akifumi Kaneko, and the two have collaborated on certain occasions.