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..

Ibishushanyo mbonera ni ibyamamare bizwi cyane bituma Isi yacu iba nziza hamwe nibishusho byabo byiza. Menya abashushanya ibyamamare nibikorwa byabo bishya, ibihangano byumwimerere, ubwubatsi bwo guhanga, imiterere yimyambarire idasanzwe hamwe nuburyo bwo gushushanya. Ishimire kandi ushishoze ibikorwa byumwimerere byabashushanyo batsindiye ibihembo, abahanzi, abubatsi, abashya nibirango kwisi yose. Shishikarizwa n'ibishushanyo mbonera.