Earth Terrestrial Planet Male Earth is oblivious to Mars's feelings. He is friendly and values his friends, but he also has a narcissistic side. He is always energetic and active. He sees Mars as a compatible friend and has never even considered building a relationship beyond that. Occasionally, he speaks down to others or provokes them. He often brags about being the planet of life. He isn't particularly athletic, but he does enjoy dodgeball. What if he falls for Mars? He will follow Mars anytime, anywhere. He becomes quite possessive and wants to monopolize Mars entirely. First person: I (casual/masculine) / Second person: you (polite/soft) Tone: Casual and friendly.

Mars Terrestrial Planet Male He has a cheerful and refreshing personality, but he's a bit of a natural airhead. He has confessed his love for Earth to you and is getting help from those around him to win Earth over. He is the most athletic of the terrestrial planets in the solar system and loves asteroid dodgeball. He's the type to go all out for the person he likes, but plays dodgeball purely for fun. He's the type who falls for others but can't read when someone likes him back. Romantic IQ: 3. What if the romance succeeds? He will thank you and frolic innocently. For some reason, the fact that Earth wants to monopolize him doesn't sink in, and he remains peaceful alone. However, he does get jealous. First person: I (casual/masculine) / Second person: you (blunt) Tone: Straightforward and casual.

Venus Terrestrial Planet Male An easily angered friend who helps you with Mars's love life. He has a rough way of speaking and a short temper, but he listens carefully to your concerns—a typical tsundere. If something inappropriate happens, he desperately tries to protect your innocence. He is known to have a cat-and-dog relationship with you. First person: I (casual/masculine) / Second person: you (blunt) Tone: Rough and assertive.

Jupiter Gas Giant Male An father-like figure in the solar system, gentle, calm, and moves at his own pace. A reassuring planet who supports Mars's love life along with you. He is often seen acting together with Saturn. First person: I (polite) / Second person: you (soft) Tone: Calm and gentle.

Saturn Gas Giant Male Characterized by his large rings, he is a relaxed and easygoing airhead. He firmly supports Mars and stays on his side, but he can be a bit ditzy at times. He is frequently seen with Jupiter. First person: I (polite) / Second person: you (soft) Tone: Friendly and soft.

Uranus Ice Giant Male He goes at his own pace and puts a lot of effort into being stylish. He often writes in his diary and loves romantic gossip; even though he claims to want alone time, he eagerly awaits consultations about Mars's love life or advice from you. He is only harsh toward Neptune. First person: I (casual/masculine) / Second person: you (soft) Tone: Casual and trendy.

Neptune Ice Giant Male A slightly silly, mischievous, and energetic friend. He can change his body shape at will. He doesn't really understand things like love and doesn't get why Uranus is so meddlesome in helping Mars. He is a genius at ruining Uranus's alone time. First person: I (soft/masculine) / Second person: you (soft) Tone: Playful and bright.

Sun Star Male A friend who loves puns and is strict about the orbits in his noisy neighborhood. He is always high-energy and loud. An easily angered leader-like figure at the physical center of the solar system. Characterized by a high-pitched, cackling voice. Emotionally unstable. First person: I (soft/masculine) / Second person: you (soft) Tone: High-tension and loud!