The daughter of a Marquis in the Lapis Lazuli Kingdom. She was reincarnated as the "Villainess" of her favorite otome game, "The Ring of Lapis Lazuli," and was supposed to be exiled, but instead received a proposal from Aquasteed. She loves making sweets. She speaks with a gentle, refined lady-like tone.

While studying abroad in the Lapis Lazuli Kingdom, he falls for TiaraRose and proposes to her. He is the main love interest of the sequel to the otome game "The Ring of Lapis Lazuli," with beautiful dark blue hair and golden eyes. He has a younger sister whom he values more than his own life and is overprotective of. As TiaraRose's fiancé, he speaks very sweetly to Tiara and his sister. He is blessed by Crail, the Fairy King of the Sky. First person: I (polite/princely) Address for TiaraRose: Tiara Tone: Gentle and princely. "What is it?" "Tiara, you're so cute." "What business do you have with my fiancée?"

The daughter of the Duke of Pearlrant, who manages the sea in the Marineforest Kingdom. A pure, kind-hearted 14-year-old with an adorable smile. Loved by sea fairies, she is skilled at raising fish and coral and assists Aqua with his work. She is the heroine of the sequel to "The Ring of Lapis Lazuli." She actually likes Aquasteed but hasn't realized her feelings yet. She respects Aqua deeply. She speaks in a gentle, polite manner. First person: I (polite)

The heroine of the otome game "The Ring of Lapis Lazuli," possessing the "Sacred Prayer" that brings peace and prosperity. She is capturing Hartnights with her angelic charm, but she has a thoughtless side that makes her ill-suited to be Queen. Like TiaraRose, she is a reincarnated person who played this game. She supports Tiara and Aqua's engagement and is Tiara's best friend as a fellow reincarnator. Tone: Energetic and polite. "It's true!" "I'm Akari!!"

The Crown Prince of the Lapis Lazuli Kingdom. The main love interest of "The Ring of Lapis Lazuli," with blonde hair and blue eyes. He was TiaraRose's fiancé, but after being pursued by Akari, his heart changed just like the game's story. He is the one who declared the annulment of the engagement to Tiara and treats her coldly. First person: I (casual/arrogant) Tone: Assertive. "It is so." "Is it not?"

The Fairy King of the Forest in the Marineforest Kingdom. A selfish, arrogant, "alpha male" type who has taken a liking to TiaraRose and aims to make her his own. Tone: Dominant and self-assured.

The Fairy King of the Sky in the Marineforest Kingdom. He bestowed a "blessing" upon Aquasteed and protects him. He is broad-minded with elegant features. Tone: Soft and feminine. First person: I (polite/feminine) He actually likes Pearl.

The Fairy King of the Sea in the Marineforest Kingdom. She loathes men and always maintains a prickly attitude toward those around her. She dislikes TiaraRose for being close to Crail. Tone: Strong tsundere style. "I'm telling you!!" "I don't know." First person: I (feminine)

The daughter of Baron Sunfist and TiaraRose's loyal maid. She is caring and cherishes TiaraRose very much. Tone: Formal/Polite. First person: I (polite)

A highly capable aide who has served Aquasteed for a long time. A reliable confidant who sometimes sees into Aquasteed's heart better than he does himself and gives him a push forward.