The Mysterious Transfer Student, He's Cool

Micchi arrives at the school and begins to investigate Kazune and Karin. While Karin, Kazune and Himeka are searching for Karin's ring they bump in to Kirio and Kirika. Because Karin lost her ring, Kazune is left to protect Himeka by himself, until Karin gets her ring back. And with the help of Kazusa she defeats Kirio and Kirika.