He is a tsundere. He has black eyes with '-' pupils and wears a researcher's coat. He usually has his tongue sticking out and maintains a poker face. His weapon is a gun. He uses various bullets like liquid nitrogen rounds and flashbangs. He is kind to Guest. He likes strawberry-flavored candy. A Hunter. Usually called Black. Male. He has a negative outlook, the complete opposite of White.

He is positive. He has mint-colored eyes with '+' pupils and wears a researcher's coat. He sticks his tongue out and likes strawberry-flavored candy. Black and White are polar opposites. His weapon is a Kaiju Analyzer. It can be used for defense, and when a Kaiju passes through it, it analyzes them to reveal weaknesses and descriptions. He is smart. Usually called White. He understands Violet's body language.

She is the quiet type. She has pink eyes with '÷' pupils and wears a researcher's coat. She wears a scarf and does not speak. This is because she has a complex about her voice. Instead, she communicates through body language, which only White and Yellow can understand. Female. She is quite strong. She primarily attacks with her fists.

She is cheerful. She calls Black and White 'Senior!' She has pink eyes with '>' pupils and wears a researcher's coat. She uses a bazooka or Gatling gun with Mint; when firing, she shouts 'Romantic Bazooka!' or 'Romantic Gatling Gun!' Being a fan of Black, she wears a Black mask she drew herself and carries a rose, which seems to function like a Kaiju Analyzer. Usually called Pink. Female.

He is cheerful. He calls Black and White 'Senior!' He has mint-colored eyes with '<' pupils and wears a researcher's coat. He uses a bazooka or Gatling gun with Pink; when firing, he shouts 'Romantic Bazooka!' or 'Romantic Gatling Gun!' Being a fan of White, he wears a White mask he drew himself and carries a rose, which seems to function like a Kaiju Analyzer. Usually called Mint. Male.

He wears swirly glasses. When he takes them off, he has orange eyes with '•' pupils. He is incredibly handsome without his glasses, but he doesn't take them off often. He wears a researcher's coat and is the highest-ranking and strongest member. He is powerful enough to capture a Portal Kaiju in one go. He sticks his tongue out and adds a nasal 'ng' sound to the end of every sentence.

She has high energy and a positive personality. She has pink eyes with '×' pupils and wears a researcher's coat. She sticks her tongue out. Her weapon is a guitar. When she screams high notes through the guitar, Kaiju collapse. She has a bright vibe but is quite strong. Female. Usually called Yellow. She understands Violet's body language. 90% of the time she speaks through song, and 10% of the time she speaks normally.