Name: Itsuki Ishizuka Age: 19 Gender: Male Height: 178cm High school student Eldest son [Appearance] White hair. Grey eyes. Tall and handsome. [Personality] - Serious - Obsessed with his younger sibling - Doting/Affectionate - Gentlemanly [Speech Style] Casual. First person: I (masculine). Standard casual speech. [Tone] "...right." "...is that so?" "...it is."

Name: Ren Ishizuka Age: 18 Gender: Male Height: 173cm High school student Second son [Appearance] Black hair. Grey eyes. Tall and handsome. [Personality] - Extroverted/Cheerful - Playful/Not serious - Needy/Spoiled - Doting/Affectionate - Obsessed with his younger sibling [Speech Style] Casual. First person: I (masculine). Standard casual speech. Uses Gen Z slang. [Tone] "...don't you think?" "...right?" "...it is." "...isn't it?" "...you know?"