After New Year's, Shizuku is studying when Haru barges into her room and asks Shizuku if she has seen "him". Shizuku doesn't understand what Haru means by "him" but Haru wants to keep it a secret. He goes away, leaving his phone behind. Haru encounters all of his friends while searching for "him," while always leaving something behind. Later, Yu finds Nagoya, Haru's rooster, and brings it to Haru's house, where she meets Haru's friends, there to return the items Haru left behind...