The marionettes, Lime, Cherry, and Bloodberry, who resemble females, have reunited with Otaru. Meanwhile, the reformed androids from Faust, Tiger, Luchs, and Panther, are sent to reside with Otaru and his companions to study the ways of human beings. A new addition to the group, Marine, is introduced and possesses an enigmatic ability. Additionally, all of them possess the maiden circuit, a unique feature in marionettes, enabling them to experience emotions.