Everyone at Ryokushou is participating in the Miyama school district's sports festival. Itsuka feels shy and awkward around Nagomu, causing her to adopt a brusque manner toward him. But in his loud cheers of encouragement she feels the warmth of family. Nagomu's father, Heigo, gets overly fired up and ends up hurting himself. Nagomu and Itsuka have to step up to take his and Nagomu's place in the parent-child event. Meanwhile, at Ryokushou, a woman calling herself Itsuka's mother appears.
And an adult who's been a wastrel for 
ten years will be a bad influence on her.
وبالغ كان كسولاً لعشر سنوات سيؤثّر عليها سلباً
Zudem ist ein Erwachsener, der zehn Jahre
seines Lebens verschwendet hat,
E poi, un adulto che ha fatto i suoi comodi
per dieci anni non è un buon esempio.
Sem contar que, deixar ela perto de um adulto
que só ficou vadiando por aí durante dez anos