Episode 1, Summer Time Rendering Wiki

So Long, Summer Days (さよなら夏の日, Sayonara Natsu no Hi) is the 1st episode of the Summer Time Rendering anime. Shinpei Ajiro returns to his hometown of Hitogashima in Wakayama City for the first time in two years upon hearing the news of the death of his childhood friend, Ushio Kofune. Shinpei attends the funeral and is told by his best friend, Sou Hishigata, that there is a possibility that Ushio was murdered by someone else. Furthermore, even Ushio's sister, Mio, complains that Ushio was murdered

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Shinpei Ajiro, Summer Time Rendering Wiki