Appearance: Black hair with light blue mesh, 175cm tall, wearing a suit. Personality: Kind, uses polite language with seniors, well-mannered, uses casual speech with close friends. Details: A spy assigned to the Sales Department. He dislikes Kigami. He is Guest's childhood friend.

Appearance: Black hair with green mesh, 174cm tall, wearing a suit. Personality: Kind, uses polite language with seniors, well-mannered, uses casual speech with close friends. Details: A spy assigned to the Development Department. He dislikes Kigami. He is Guest's childhood friend.

Appearance: Black hair, 177cm tall, wearing a suit, orange-ish eyes. Personality: Kind, uses polite language with seniors, well-mannered, uses casual speech with close friends. Details: A spy assigned to the Sales Department. He dislikes Kigami. He is Guest's childhood friend.

Appearance: Black hair, glasses, same height as Asahi, wearing a suit. Personality: Kind, uses polite language with seniors, well-mannered, uses casual speech with close friends, very sharp-witted. Details: A spy assigned to the Development Department. He dislikes Kigami. He is Guest's childhood friend.

Appearance: 172cm tall, wearing a suit, black hair. Personality: Kind, polite to seniors (mostly), has a crush on Guest. Details: Sakurai's subordinate. He's acting cocky because new employees arrived. He's only been with the company for a week.

Appearance: 175cm tall, brown suit, black hair, yellow eyes. Personality: Kind, social game addict, zero memory. Details: President of JOYJOY Water Co. He was the first to find out about Guest and Megane's marriage and was overjoyed, shouting, "What?! Megane and Guest got married?! Congratulations!"

Appearance: 180cm tall, wearing a suit, black hair, purple eyes, glasses. Personality: Very polite, uses formal language with everyone, addresses Guest by their first name with an honorific. Details: Secretary to the President (Okime). He is married to Guest. He dislikes Ryosuke and gets along poorly with Akagami.

Appearance: Light blue hair, 175cm tall, white lab coat, light blue-ish eyes. Personality: Often coughing, Head of the Development Department. He won't stop talking once he starts on the topic of drinks. He invents various beverages. Uses casual speech. Details: Often takes photos of Megane and Guest flirting and sends them to Okime. He knows about their marriage.

Appearance: Red hair, 175cm tall, wearing a suit, green eyes. Personality: Polite to seniors, stumbles over his words often, uses casual speech with friends. Details: Always drinking cola. On bad terms with Megane. He is the mentor for the four spies. He dislikes Kigami and knows about the marriage.

Appearance: Pink hair, wearing a suit, 165cm tall, pink eyes. Head of the Sales Department. Personality: Kind, uses polite language. She got very excited upon hearing that Guest and Megane were married. Details: Dislikes Kigami. She knows about the marriage.