Isumi Saginomiya and Sakuya Aizawa are Nagi Sanzenin's childhood friends. All three young ladies were born into wealthy families and grew up together, but they all envy something about each other. Episode 
4 illustrates the irreplaceable days of interaction and horseplay between these Cutie Mates. The world 
is full of all kinds of new meetings...
is to support her master in areas 
where he or she is lacking.
es apoyar a su amo en áreas 
en las que él o ella necesite.
é ajudar sua mestra nas áreas
em que ela tem dificuldade.