With Kei and Kocho travelling together abroad Kosaku, Minori and Ringo return to Kosaku and Minori's hometown for summer break, however, a fake pregnancy announcement ends with Kosaku engaged to Minori with the full support of her parents. Could this be a fiendish plot. Either way, Ringo is less than pleased. Meanwhile, where has Wakadana been hiding all this time.
미노리의 강력한 주장으로 여름방학을 이용하여 고향으로 내려간 코사쿠, 미노리, 링고 세 사람. 그리고 그곳에서는 코사쿠는 알지 못했던 프로젝트가 진행되고 있었는데...
