Sueharu was supposed to complete the plan at the finale of the school festival, "Confession Festival". However, when he opened his heart, Sueharu was shaken by confessing to Kuroha, by involving all the people around him due to his slight change of plans. Kuroha has answered NO to the sudden confession. Shirokusa has been told in the past tense that he liked it. What's more, there are also someone waiting to make the already twisted love triangle even more twisted...