Ichiro Kuga is a manga artist struggling to support his two young siblings, and he's in need of an assistant. Shiori Goshiki wishes to become that assistant, but her background is unusual in more ways than one.

Shiori's parents track her down and confront her in person about her situation, which she and Ichiro now must find a way to explain. Can they convince them to let her stay, and is there any way to annul the Engagement Pact?