Poyo is acting as a surrogate mother for the orphaned kittens, while the Saito’s search for adopters.  But spending time with Poyo, each kitten is developing a unique trait.
Don't they say that things named
 after flowers die young?
Pero, ¿no dicen que con esos nombres mueren más rápido?
¿No dicen que esos nombres hacen que mueras joven?
Não dizem que coisas chamadas 
depois de serem flores morrem jovens?