“Stepfather Step” is about a skilled thief without a single relative who ends up becoming the stepfather of twins. The twins are in fourth grade and suddenly lost both of their parents. Using his know-how from his past as a thief, he not only raises the twins but settles various puzzling incidents that are happening in the neighborhood. ~~ Adapted from the novel "Stepfather Step (ステップファザー・ステップ)" by Miyabe Miyuki (宮部みゆき).