It's Rika's birthday, and the girls get together to celebrate. Rika, however, is focused on her troubled relationship with her mother, and those worries carry over into her next battle. Will she be able to overcome her inner demons in time?
My mom taught me one true thing.
.علمتني أما شيئاً واحداً
Eins hat mir Mama beigebracht.
Mi mamá me enseñó una cosa.
Mi madre me enseñó una cosa.
La mienne m’a appris
une seule chose vraie.
Una cosa giusta 
mia madre me l'ha insegnata.
Minha mãe me ensinou
uma única coisa.
Единственная достойная вещь,
 которую я узнала от своей мамы: