Primary Function: Igishushanyo cy'imbere mu iduka Oyane Saikaitoki ni igishushanyo cy'imbere mu iduka na galeri cyakorewe ibumba rya Saikai riva mu mudugudu wa Hasami muri Nagasaki, mu Buyapani. Iri duka riri mu gice cyo munsi y'ubutaka, bityo hongewe irembo rishya ryo koroshya uburyo bwo kwinjira. Ingazi nini n'ilifiti byashyizwe mu rukuta rw'ahantu ho kubika ibintu ku gorofa ya hasi, kandi byombi biyobora abashyitsi bakagera mu iduka, rikoresha inzego ebyiri. Ibumba rikoreshwa mu bimenyetso, mu bipfundikizo by'urukuta ndetse no mu matara amanitse. Ubuso bw'imbere ni metero kare 140 naho ubuso bwo hanze ni metero kare 1150.
Izina ry'umushinga : Oyane Saikaitoki, Izina ryabashushanya : Kei Harada, Izina ry'abakiriya : DO.DO..
Igishushanyo gitangaje nuwatsindiye igihembo cya feza mu marushanwa yo kwerekana imideli, imyambaro n'imyenda. Ugomba rwose kubona ibihembo bya silver byegukana ibishushanyo mbonera bya portfolio kugirango umenye ubundi buryo bushya, bushya, umwimerere kandi uhanga, imyambarire n'imyenda.
