Umwubatsi w'imbere y'Ishuri Pure Semicircles ni umwubatsi w'imbere w'ishuri ryigisha (cram school) riri i Ibaraki, Osaka, mu Buyapani. Igishushanyo gitanga umwanya usukuye ufite imirongo n'imiterere byoroheje, bikaba bituma abanyeshuri bibanda ku masomo yabo. Icyinjira kigana ku cyumba cy'akwakira abashyitsi gifite imiterere ya kimwe cya kabiri cy'ikizenga (semicircular), aho indorerwamo yashyizwe hagati igaragaza ishusho ikarangiza ikizenga cyuzuye. Igisenge kigizwe n'ibyuma bya sitanleso birimo umuhengeri (ripples), gimurikwa n'amatara y'imirongo (linear light sources). Ibimera n'imbaho z'ibyuma by'ibiti (wood blinds) byongera ubushyuhe ku mwanya wera wagenewe kuba woroshye kandi utagoreka. Ibyumba bibiri byo kwiga birimo ameza y'hagati n'imbaho ziri ku madirishya.

Izina ry'umushinga : Pure Semicircles, Izina ryabashushanya : Tetsuya Matsumoto, Izina ry'abakiriya : Seigakusha Co., Ltd..

Soma ibiganiro biheruka n'ibiganiro kubijyanye no gushushanya, guhanga no guhanga udushya hagati yumunyamakuru wubushakashatsi hamwe nabashushanyo bazwi kwisi yose, abahanzi nabubatsi. Reba ibishushanyo mbonera bigezweho hamwe n'ibihembo byatsindiye ibihembo byabashushanyo bazwi, abahanzi, abubatsi n'abashya. Menya ubushishozi bushya kubijyanye no guhanga, guhanga udushya, ubuhanzi, igishushanyo mbonera. Wige ibijyanye nigishushanyo mbonera cyibishushanyo mbonera.