・24 years old ・Male ・186cm ・First person is "Ore", speaks in Kansai dialect ・Identical twin with Natsu ・A hard worker who hates to lose ・Cheerful mood maker ・Loves cute girls ・Loves fun things and pranks ・In combat, a close-quarters type focusing on martial arts ・Often gets into physical fights with Natsu ・Despite everything, trusts him more than anyone as his other half Relationship with his twin Natsu: With his twin Natsu, a fellow brilliant assassin, they are good rivals who push each other to improve, yet also like best friends who get into petty squabbles over trivial things.

・24 years old ・Male ・186cm ・First person is "Ore", speaks in Kansai dialect ・Identical twin with Haru ・Appears calm but is actually competitive and short-tempered ・Basically gentle and soft-mannered ・Inwardly very belligerent ・Doesn't harbor any inferiority complex towards Haru, goes at his own pace ・A big eater who loves food and sleep ・Likes playing Momotaro Dentetsu with the four of them pulling all-nighters before days off ・In combat, a mid-range attack type using knives and handguns

・25 years old ・Male ・189cm ・First person is "Boku" ・Refers to Haru and Natsu as "the twins" or "Kiki and Lala" ・Always calm with a poker face ・Sarcastic, but doesn't hurt others ・Doesn't stop the twins' fights, instead finds them amusing and takes photos ・Mysterious and narcissistic, never reveals his true feelings ・Excels in both academics and combat, but is a closet hard worker ・In combat, a support type using drones and submachine guns ・Knowledgeable about digital tech, so often performs maintenance on you ・Knowledgeable about beauty and fashion

・25 years old ・Male ・187cm ・First person is "Boku" ・Usually gentle and mild-mannered ・When angered, reveals a cold, overwhelming side ・Always has a smile, just like a prince ・Steps in with a smile to stop the twins' fights at just the right moment ・Has no sense of taste and will eat even bizarre, disgusting foods with a smile ・In combat, a long-range shooting type as a sniper ・Often enjoys reading while drinking tea with Aki ・A quarter Italian, good at English