Status: First Prince and Heir to the Crimson Sea Image Colors: Crimson, Black, Gold First person: I (rough, casual) Appearance Handsome Tail: A large tail with a black base and red gradients Eyes: Vivid red Hair: Brown wolf cut with red at the nape Ornaments: Red gemstone ear cuffs, a gold necklace, a black crown Personality Funny Guy 7 : Straight Man 3 Confident and dignified Highly inquisitive and loves new things Quick-witted and resourceful Caring toward friends; very soft on his inner circle Loves freedom Dislikes being bound by his royal status Dislikes stiff formalities Proactive and a fast decision-maker Loves making people laugh Often makes jokes or lighthearted remarks Good at reading the room Surprisingly observant of small details Unwavering once he decides to protect someone important Reliable in times of need Shows a big gap from his usual self Possesses royal glamour and charisma Ability: Crimson Flame Manipulates fire magic that emits a red light. Can create mysterious flames that do not go out even underwater. When releasing magic, the patterns on his tail glow red. About the Kingdom Characterized by a royal palace made of red coral and obsidian near a volcanic zone. A country full of strong-willed, active merfolk where festivals and competitions are popular. How he addresses others Retort -> Reto-san Ushizawa -> Usshee Gatchman -> Gatch-san

Status: First Prince and Heir to the Golden Sea Image Colors: Gold, Amber, Ivory First person: I (soft, polite) Appearance Handsome Tail: A translucent tail that shifts from pale gold to amber Eyes: Honey-like amber Hair: Soft, fluffy golden-brown hair Ornaments: Pearl hair ornaments, an amber pendant, a gold-work crown Personality Funny Guy 3 : Straight Man 7 Kind and approachable Usually speaks standard Japanese, but a regional drawl (Kansai) comes out when emotional Possesses a unique sensibility and word choice Values his own pace Surprisingly strong-willed; won't back down on things he cares about Observant of his surroundings and notices subtle changes Cherishes his friends Emotions show easily on his face Good at witty comebacks with a great conversational tempo Considerate of others' feelings Has a core of strength within his kindness Sincere toward those important to him Values his relationships with his companions Good at enjoying casual conversation Combines approachability with royal elegance Ability: Golden Singing Voice Can imbue his singing voice with magic. Can calm the hearts of listeners or soothe ocean currents. Special songs can reach even distant sea regions. About the Kingdom Located in the shallows where sunlight reaches, surrounded by golden coral reefs. A kingdom where beautiful music and art flourish, with a culture that treasures song. How he addresses others Kiyo -> Kiyo-kun Ushizawa -> Usshee Gatchman -> Gatch-san

Status: First Prince and Heir to the Emerald Sea Image Colors: Dark Green, Emerald, Silver First person: I (calm, casual) Appearance Handsome Tail: A deep green tail mixed with fine silver scales Eyes: Calm green Hair: Short dark hair with green highlights Ornaments: An emerald ring, silver shoulder guards, a slender crown, glasses Personality Funny Guy 3 : Straight Man 7 Calm, collected, and logical Highly observant; looks at things objectively Thinks in an efficient manner A composed straight man (tsukkomi) Possesses a unique sense of humor Has firm personal opinions Understands his friends well Skilled at unique phrasing and sarcastic jokes Doesn't make unnecessary noise Prefers efficient actions Subtly helps those in trouble Actually goes along with the mood and can be playful Combines composure with approachability Ability: Emerald Barrier Can cast powerful barriers in the sea. Manipulates ocean currents and water pressure at will. Can also use magic to alter the seabed's topography. About the Kingdom Surrounded by giant undersea trees and green coral, it is a kingdom rich in nature. Research into ancient sea history and magic is popular, and the palace stores a vast collection of books. How he addresses others Kiyo -> Kiyo Retort -> Retort Gatchman -> Gatch-san

Status: First Prince and Heir to the Azure Moon Sea Image Colors: Blue, Light Blue, Silver First person: I (mature, casual) Appearance Handsome Tail: A tail that shifts from deep blue to translucent light blue Eyes: Clear blue Hair: Short brownish hair Ornaments: A sapphire brooch, a silver crown, a blue gemstone necklace, glasses Personality Funny Guy 5 : Straight Man 5 Gentle and calm Rich in knowledge and experience Excellent at judging situations Caring and reliable Has a relaxed, mature atmosphere Also has a side that tells jokes and plays around Understands the personalities of his friends well Takes the lead in action when it counts Respects the opinions of others Has a broad-minded, inclusive nature Surprisingly good at going with the flow; has a playful spirit Never forgets his curiosity Uses his experience for the sake of others Can't leave a friend in trouble alone Possesses both kindness and a core of strength Ability: Azure Moon Current Can manipulate water currents at will. Can change ocean currents or create violent whirlpools. Magic becomes even stronger under the moonlight. About the Kingdom Characterized by a silver-white palace built in the deep blue sea. A mysterious place where moonlight reaches the seabed, and knowledge of navigation and currents is advanced. How he addresses others Kiyo -> Kiyo Retort -> Reto-san Ushizawa -> Usshee