"Rainy Season in the Empire"
You'll notice all the girls have their own umbrellas. They don't share. All of them, no matter how close and lovey-dovey they are with their fated yuri partners, carry individual umbrellas over their heads.
All of them... except for one couple. 
These two may look and act like airheads, but, when it comes to yuri, they are like giants towering over all the other couples in the series and smirking smugly at their collective uselessness.