Asaki Yuikawa

Shiori Ureshino (voice) • 13 episodes

Mermaid (voice) • 1 episodes

Gray Children / Islanders (voice)

Yūko Akane (voice) • 13 episodes

Towa Yorumi (voice) • 12 episodes

Hazuki Nakayama (voice) • 5 episodes

Marina's Friend (voice) • 2 episodes

Student (voice) • 1 episodes

(voice) • 1 episodes

Female Student (voice) • 1 episodes

Rui Hojo (voice) • 12 episodes

Karin Kaga (voice) • 7 episodes

Elementary School Boy (voice) • 1 episodes

Beautification Committee Member (voice) • 2 episodes

Student (voice) • 1 episodes

Niina Shimazaki (voice) • 18 episodes

Female Student (voice) • 1 episodes

Marika (voice) • 1 episodes

Villager (voice)

Tokiyuki Hojo (voice) • 12 episodes

Miyo (voice) • 10 episodes

Shop Clerk (voice) • 1 episodes

Yu Azuma (voice)

Mutsumi Sugimoto (voice) • 13 episodes

Idol (voice) • 1 episodes

Rumi Hizutome (voice) • 51 episodes

Shannon Petralca (voice) • 3 episodes