Miku is a maiden in love, she wants to pursue her love at her own pace and rules. It's commendable, but it can easily backfire because her target is hot stuff.
Ichika is a paper tiger. Paper cuts sometimes, doesn't do much more than that. Ichika is just like that, she lacks the resolve.
Nino is a maiden that yearns for love. Now she has found it and doesn't intend to back down.
Between the three, Nino is the one who earns my respect.