Musimboti uyu, Maruko, ane makore mapfumbamwe okuberekwa mudzidzi wegiredhi rechitatu. Iye simbe, haana kurongeka uye anowanzo kunonoka kuchikoro, mukupesana kwakasimba nehanzvadzi yake yakatsvinda uye yakashambidzika inofanirwa kugovana naye kamuri yake. Maruko, sevazhinji vana, anoedza kunzvenga basa rechikoro nemabasa epamba, anotora mukana wekuba kwake sekuru uye kupopota nasisi vake. Zvakangodaro, iye mwana ane vavariro dzakanaka anoedza kuita zvakanaka.
Zita chairo raMaruko ndiMomoko Sakura (さ く ら も も こ Sakura Momoko), zvakafanana nepeni-zita remusiki wake Miki Miura 三浦 美 紀 (uyo akashandisa ake ega ruzivo rwehuhu sekurudziro). Zita rake remadunhurirwa rekuti "Maruko" rakagadzirwa nemarui ("kutenderera", nekuda kwechiso chake chakatenderera) uye -ko (musikana musikana); chirevo chekutanga chibi uye chinomira -chan zvakare zvinoreva kune akanaka mwana.
Chiratidzo chaMaruko chakatarisana nechikanganiso mukuita mukunyadziswa ndiko kungoerekana kwaita mitsara yakatwasuka kumeso kwake, dzimwe nguva nemhepo isingatsanangurike inovhuvhuta shure kwemusoro wake. Izvi dzimwe nguva zvinoteedzerwa nevevakadzi vateveri vevateedzeri vanodhonza minwe yechimwe ruoko pasi pasi kumeso kuratidza kunyara. Painternet izvi zvinowanzo shandiswa semamonikisi, nematauri ekutaura. Semuyenzaniso: -_-"
Vamwe vatambi vanosanganisira waanodzidza naye Maruko uye shamwari yepamoyo Tama-chan. Mudikani anodiwa ndisekuru vaMaruko vane mutsa asi vasina pfungwa. Asina ruzivo uye anonyengedzwa zviri nyore, anochengeta kamba pet uye anoda kuona TV naMaruko. Kana achinzwa kushushikana kana kushushikana, anongoerekana achidzokera kune yepasirese yepasirese kwemasekondi mashoma kuti agadzirise inosuruvarisa asi inonakidza haiku nezve mamiriro ake epfungwa.
