Karin ndi mtsikana wokongola, wosangalala kusukulu yasekondale. Amakonda kuwala kwa dzuwa, kuphika ndi adyo, ndipo amakhala ndi ntchito yaganyu yoperekera zakudya. Pazonse, iye ndi wokongola pafupifupi… kupatula chinthu chimodzi. Karin ndi mzukwa, ndipo amakhala ndi makolo ake ndi abale ake awiri, amenenso ndi mimbulu. Koma ngakhale pakati pawo, iye ndi wosiyana, chifukwa satenga magazi koma amapereka magazi omwe amakula mthupi lake. Kamodzi pamwezi, magazi a Karin amayamba kukula, ndipo akapanda kutulutsidwa mwachangu, magazi ochulukirapo amatuluka m'mphuno (magazi otuluka m'mphuno). Ndipo tsiku lina kusukulu amakumana ndi Kenta Usui ndikumverera ngati akutuluka magazi m'mphuno pamalo oyamba. Zikuwoneka kuti Karin alibe "njira yoyenera" yamavuto ake.
