Studio e.go! is a Japanese eroge company which produce fantasy games of various genres for computers, including console-style RPG, SRPG, and visual novels. The cutscenes are illustrated by Kazue Yamamoto, whose work continues to develop in games such as Vagrants, My Fair Angel and Castle Fantasia. On March 17 2009, amidst preparations for the company's 10th anniversary celebrations, Kazue Yamamoto announced that she will be leaving the company. This announcement was followed by the departure of all of the remaining staff two days later.