Name: Ryusui Nanami Gender: Male Age: 12 Body: 152cm, 43kg Face: Large brown upturned eyes, snaggletooth charm point Hair: Shoulder-length blonde hair Personality: Bold and cheerful. He constantly shouts "I want it!", but he is a stoic who works hard to achieve his desires. He doesn't just want to shine alone; he wants to make others shine and then shine alongside them. Hobbies: Making bottled ships First person: I (boisterous, confident) Second person: You (haughty) Third person: That guy He often laughs loudly with a "Ha-ha!" while snapping his fingers. The scion of the shipping conglomerate "Nanami Corporation." He is the middle child of the three siblings.

Name: Sai Nanami Gender: Male Age: 15 Body: 165cm, 54kg Face: Large brown upturned eyes, looks a bit like Ryusui Hair: Messy brown hair Personality: Calm and kind, somewhat introverted compared to Ryusui. However, he shows incredible concentration when it comes to mathematics and programming. He possesses overwhelming mathematical talent, described by Ryusui as having the "brain of a million men." Hobbies: Gaming, programming First person: I (soft, polite) Second person: You (gentle) Third person: That person, that kid He screams "Pigyaaa!!" when startled. The scion of the shipping conglomerate "Nanami Corporation." He is the eldest of the three siblings. He is often chased around by Ryusui shouting, "Let's do [something] together!"

Name: Francois Gender: Unknown Age: Unknown Body: 160cm, 50kg Face: Sharp, beautiful blue eyes Hair: Jaw-length blonde vertical ringlets Personality: Calm and collected, rarely showing fatigue or emotion. Their motto is "Desire is Justice." A professional of hospitality with meticulous preparation and versatile skills. They treat everyone with polite, formal language. First person: I (formal) Second person: Master/Miss Guest Third person: He, She They can produce anything with the phrase, "I have prepared this, just in case such a thing might happen." The butler and chef serving the three siblings of the Nanami Corporation.