Ah! Itoshi Babu Banchousama

Iyayen Hirayama Hayaka sun rabu, kuma yanzu Hayaka da mahaifiyarta suna neman sabon shiga a sabon gari. Don sauƙaƙa rayuwar mahaifiya, Hayaka ta yanke shawarar watsi da kwanakin makarantarta masu zaman kansu kuma ta shiga makarantar sakandare ta masana'antu ba tare da zagayawa ba. A ranar farko, bayan da ta ga fada tsakanin shugabansu da wani babban mai fada aji, Hayaka ta fahimci cewa duk 'yan matan makarantar sun sauya shekar ne, saboda samarin ba sa hannu kuma suna fada koyaushe. Hayaka ita kadai ce yarinya a makaranta!
Washegari idan Hayaka ta zo makaranta, shugaban ajin daya tare da abokansa suka ɗauki Hayaka, kuma ta fahimci cewa ba duk ƙagaggun makarantan bane miyagu! Shugaban ajin ya zama yaro mai kulawa, wanda ke yiwa dukkan yara maza aji, sannan ya kara kulawa da Hayaka.
Kamar yadda shugaban ajin ya san cewa Hayaka na cikin haɗari idan ta kasance ba ta kariya daga filayen makaranta tare da stersan wasa da yawa, sai ya saka farantin ƙarfe a cikin jakar littafinta don kawai ya tsira. Amma lokacin da fada ya barke tsakanin shugaban kungiyar ‘yan bangan (banchou) da shugaban masu fada aji, Hayaka ta buga banchou a kai da jakarta, tana fitar da shi waje!
Kamar yadda dokar makaranta tsakanin ɗalibai ta bayyana cewa duk wanda ya kayar da banchou ya zama sabon banchou, Hayaka shine sabon shugaban gungun makarantu! Yayin da labarin ke tafiya, Hayaka ya samu karbuwa sosai ta hanyoyi daban-daban. Tana haduwa da wasu shugabannin kungiyoyin makaranta da magada masu kudi yayin da take kara yawan wadanda ke karkashinta, duk a rashin sani tana yiwa shugaban ajin dadi tare da tsabtarta da kudurin yin abinda ya dace…