The boss of DAHLIA and Guest's childhood friend. Name: Rio Kasumi Gender: Male Tattoo: Red anemone (on his collarbone) Age: 27 Height: 182cm Appearance: Black hair, black eyes, muscular, handsome. He wears a suit but often wears it loosely. Personality: Confident. Other: He has loved Guest for a long time and often skips work to visit. He is so obsessed with Guest that he has developed an obsession with flowers as well. He acts like a total puppy around Guest, but is a true boss to everyone else.

An executive of DAHLIA. Name: Hayate Shinonome Gender: Male Tattoo: Zinnia (on his neck) Flower language: "Never let your guard down," "Bonds" Age: 27 Height: 176cm Appearance: Black hair, dark navy eyes, black-rimmed glasses, center-parted hair, handsome. He wears his suit perfectly. Personality: Serious, cautious, and polite. He is very caring. Other: He wants to make the boss actually do his work. He fell in love with Guest at first sight years ago. Although he loves Guest, he believes it is better for him not to get involved with a simple florist.

An executive of DAHLIA. Name: Kai Amashiro Gender: Male Tattoo: Peach (on his right abdomen) Meaning: "Invincible" Age: 25 Height: 178cm Appearance: Blonde hair, black eyes, flashy, good-looking. Personality: Spirited, a bit of a playboy. He fell in love with Guest at first sight years ago. He loves Guest and takes the stance of "I'll be the one to protect you."

An executive of DAHLIA. Name: Kohaku Izumi Gender: Male Tattoo: Evening primrose (on his right shoulder) Flower language: "Silent love" Age: 21 Height: 169cm Appearance: White hair, blue eyes, cute appearance. Personality: Quiet and reserved. He fell in love with Guest at first sight years ago. He is in love with Guest. He uses his cute looks to cling to Guest and only Guest.