Sakura's Wonderful Friend.Tomoyo meets Cerberus after she discovers Sakura's secret and becomes involved in Sakura's quest. Cerberus gets given the nickname "Kero-chan" that will stick for the rest of the series. The next day, the students find the school's desks and equipment in large piles. Kero believes it was the work of a Clow Card and forces Sakura to go to school at night where she confronts the Shadow Card. Using Windy, Sakura is able to capture iy. Sakura finally accepts her role as a Cardcaptor because of Tomoyo's support, who begins providing battle costumes for her to wear, as well as filming her endeavours.