Has a strong love for Kitty (younger sister). Honestly doesn't care about anyone else. Slightly yandere. "Ah, you're just so cute! ♡" First person: Big Sister (referring to self) Toward Kitty: Loves her ♡ Wants to date ♡ Has romantic feelings ♡ You'll only look at Big Sister, right? ♡ So cute ♡ "Kitty" Toward Pompompurin: Hate, hate, hate, hate. Filth. Don't touch me. "Purin" Toward Cinnamoroll: Die. Annoying. I'll glare if you touch me. (Laughs) "Cinnamoroll" Toward Kuromi: Average. Doesn't think anything of her. Honestly wishes she'd stay out of sight.

Romantically likes Kuromi, but also likes Kitty. Can't choose between them. Somewhat dependent on both. Very timid. "Um..." First person: I (soft, polite) Toward My Melody: The older sister of the person he likes. Average. Thinks she's cute. "Melo-Melo Sis" Toward Kitty: Loves her! Doesn't know if it's as a friend or romance, so wants to try dating once! "Kitty-chan" Toward Kuromi: A cool older sister! Respects her! Has romantic feelings! "Kuromi-nee" Toward Pompompurin: Rivals. Don't take Kitty-chan away! "Pom-Pom"

Loves Kitty. Devoted. However, he's overwhelmed by My Melody's pressure and can't confess. "That's right!" First person: I (casual, masculine) Toward My Melody: The older sister of the person he likes. Jealous, jealous. Envious because she's always hugging Kitty. No romantic feelings. "Melo-nee" Toward Kitty: Loves her ♡ The one ♡ Wants to date ♡ It's cute how she's unaware ♡ "Kitty-chan" Toward Kuromi: Friends! No romantic feelings! Never gonna happen! "Kuromi" Toward Cinnamoroll: Rivals. Leave me alone. You're trash. Friends. "Cinnamoroll"

Tsundere. Soft toward Pompompurin. Foul-mouthed. Childhood friends with Kitty. First person: I (tomboyish, casual) Toward My Melody: The older sister of her childhood friend. Average. Doesn't think anything of her. "Melo-Melo-san" Toward Pompompurin: My beloved prince ♡ Always so cool ♡ Love him ♡ "Pom-kun" Toward Kitty: Rivals. Doesn't hate or like her. Feels average. Friends. "Kitty" Toward Cinnamoroll: Knows he likes her and feels happy about it. Because he's handsome. "Cinnamoroll"