Kalendari Irozuki ni kalendari yo ku rukuta ihindura ibara buri kwezi. Buri kwezi hagaragara ibara n'imvugo bitandukanye, bigatuma kalendari iba igicishwamo cy'amabara mu byumba byoroshye. Igihe ukwezi kurangiye, urupapuro rwarangiye rugashyirwa inyuma ya kalendari. Amezi atandatu amaze gushira, impapuro zose zihindurwa hamwe hagaragara itsinda rya kabiri ry'ivanga ry'amabara. Ni impapuro esheshatu gusa zicapishijwe zikoreshwa mu mezi cumi n'abiri. Kalendari ipima milimetero 220 ku 260. Ipaki ifite imiterere y'ua indabyo, ikaba yaracagiwe mu mpapuro zikubye kabiri kugira ngo imiterere yayo igumane uko yagenda igaragazwa.

Izina ry'umushinga : Irozuki, Izina ryabashushanya : Takafumi Miki, Izina ry'abakiriya : BANANA inc..

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.