Wipe Your Mouth - S1.E4

Ren begins her first day of school and assimilates quite nicely; she is well respected and admired by everyone. When Miu arrives, only to learn of her replacement, she charges Ren; refusing to coincide with her as the student diplomat. In response, the school holds three duels: a 100 yard dash, a liberal arts test and a cookoff. While Miu effectively wins 3-1, she mournfully forfeits the last challenge. Nevertheless, the principle asks both girls to stay; Miu vowing to watch Ren attentively.