For those who want the pun explained: The first character of each of these girls' names, from left to right, is "Hi, Fu, Mi, Yo", which as we learned from Marisa Stole the Precious Thing, is "1, 2, 3, 4".
Tenebrous said: For those who want the pun explained: The first character of each of these girls' names, from left to right, is "Hi, Fu, Mi, Yo", which as we learned from Marisa Stole the Precious Thing, is "1, 2, 3, 4".
FURTHERMORE, their names mean, literally: one leaf, two leaves, three leaves, four leaves. Now compare with their hair.