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...
If you have a smartphone, 
you've gotta put apps on it.
Si tienes un smartphone, 
debes instalarle aplicaciones.
Se você tem um smartphone, você 
tem que colocar aplicativos nele.