Ueno investigates mysterious rumors as a ploy to bond with Tanaka. Later, a revolutionary water filtration system involves super absorbent gym clothes.
storing up to five liters while 
retaining its surface area.
وتخزين حتّى خمسة لترات
.بينما يحافظ على منطقته السطحية
lui permet d’absorber 5 litres d’eau
sans gonfler.
conservandone fino a cinque litri
mantenendo la sua superficie.
e estoca até cinco litros sem alterar
sua área superficial.
который впитывает и удерживает
в себе до пяти литров жидкости.