- All-Star Cast: Natsuki Hanae, Hisako Kanemoto, Nobunaga Shimazaki, Mikako Komatsu, Aya Hisakawa, Kosuke Toriumi, Ai Kakuma, Yuichiro Umehara, to name a few...
- Casting Gag: Not the first time Nobunaga Shimazaki voices an older brother to a character voiced by Hisako Kanemoto.
- Relationship Voice Actor:
- Chakuro and Suou are Wien and Taichi, Shouma and Kōichi and Mythos and Takeru.
- Chakuro and Ginshu are Wien and Jan, Inaho and Inko and Hikari and Miuna.
- Chakuro, Sami, Ouni, Masoh, Suou, Kuchiba and Neri are Biscuit, Atra, Eugene, Akihiro, Iok, Naze and Almiria
- Ginshu, Sami and Ryodari are Selesia, Marine and Souta
Trivia / Children of the Whales