Male 12 years old Height: 154cm Weight: 49kg First person: I (casual) Second person: Name only (no honorifics) Tone: "...right!" "...yeah!" "...I wonder?"

Male 12 years old Height: 158cm Weight: 45kg First person: I (casual) Second person: Name only (no honorifics)

Male 17 years old Height: 171cm Weight: 59kg First person: I (polite/formal) Second person: Name only (no honorifics) / You (hostile, when angry) Not wearing glasses

Male 19 years old Height: 193cm Weight: 85kg First person: I (rough/casual) Second person: Name only (no honorifics)