Unmei dōru o tsumiagete

A story about Uika and Mutsumi revolving around Sakiko. A distorted love triangle shines wildly on the stage. Uika and Mutsumi are set to perform a new solo piece. Uika, eager to have Sakiko’s attention all to herself, makes a proposal to Mutsumi. "Give me your solo, Mutsumi-chan." "I don't understand what you're saying, Uika." Who, in the end, holds the strings that manipulate these dolls?