Chirp is a friendly Sparrow Girl. She can join you after a battle.
Chirp: " *Chirp* *Chirp* It's morning!"
Chirp: "Senior, good mooorniiing!"
Reina: "Good morning, Chirp. ♪ You're always up early huh?"
Chirp: "That's because I am a weak monster... I get up early to find everyone's weakness. ♪ "
Chirp: "Good morning, Kamuro! We're both early."
Kamuro: "Good morning, Chirp. The morning is so refreshing, plus I need to study and train."
Chirp: "You also understand that by waking up early and going to bed late you can see the weaknesses of others. So let's spy on our seniors today. ♪ "
Kamuro: "(An usurper.)"
Chirp: " *Chirp* *Chirp* I also want to make it big."
Saki: "Dream big, spread your wings and fly. ♪ "
Chirp: "I am weak, so I cannot beat anyone else..."
Saki: "...What do you think it means to be a world idol? Anyway, do you have any special talent?"
Chirp: "Well, I'm good at getting up early and staying out late. ♪ "
Saki: "...doesn't look good for beating others."
She is required in the "Flap Flap Harpy" scene.