Watch Boku no Sekai Watch now on Miruro — Free Anime Streaming The fifth instalment of the Sekai Series. An alleged prequel to "Kimi to Boku no Kowareta Sekai," when Byouinzaka Kuroneko and Hitsuuchi Samatoki were in… Series info · Watch free · Trending anime · Airing schedule FormatNovelStatusUpcomingSourceOriginalCountryJapan Mystery · Psychological Bukimi de Soboku na Kakowashita Kimi to Boku no Kowareta Sekai (Prequel) Kuroneko Byouinzaka · Samatoki Hitsuuchi