Character's name: "Momo Ayase (voice)"
Birthday: 02/10/1998
Birthplace: Chiba, Japan
Biography:
Shion Wakayama (若山 詩音, Wakayama Shion, born February 10, 1998) is a Japanese voice actress (seiyuu) and former child actress. She was born in Chiba Prefecture and is affiliated with Himawari Theater Group. Shion joined Himawari Theater Group when she was 3 years old. She was scouted when she went to accompany her sister, who was a child actress. Since middle school she showed interest in voice acting because of her passion for video games. While in high school, she joined the art club, and in college, she was the bassist of a light music circle. Later, she became a voice actress and played her first lead role as Aoi Aoi in the anime film Her Blue Sky. Some of her major roles include Destiny/Cosette in Takt Op. Destiny and Mai Kawai in Police in a Pod.

Character's name: "Ken 'Okarun' Takakura (voice)"
Birthday: 06/26/1991
Birthplace: Fujisawa, Kanagawa, Japan
Biography:
Natsuki Hanae is a Japanese voice actor from Kanagawa Prefecture. He is affiliated with Across Entertainment. In 2015, he won an award at the 9th Seiyuu Awards as one of the best male newcomers. He also hosts the radio show ŌHana (逢坂市立花江学園 Ōsaka Shiritsu Hanae Gakuen) along with voice actor Ryōta Ōsaka. "Hanae" is actually a pseudonym; his real surname has not been disclosed by his agency.

Character's name: "Turbo Granny (voice)"
Birthday: 01/15/1955
Birthplace: Tokyo, Japan
Biography:
Mayumi Tanaka was born on January 15, 1955, in Tokyo, Japan. She is an actress known for One Piece (1999), Dragon Ball Z (1989), Dragon Ball Z Kai (2009), and Dragon Ball Z (1996).

Character's name: "Seiko (Dodoria Santa) (voice)"
Birthday: 01/21/1980
Birthplace: Niihama, Ehime, Japan
Biography:
Nana Mizuki, born as Nana Kondou, is a Japanese voice actress and singer. Her talent management office is Sigma Seven and her record company is King Amusement Creative.