Nounyounger brother and sister

Noun, Noun which may take the genitive case particle 'no'pupil; disciple; adherent; follower; apprentice; young person; teacher's student-helper

Noun, Suru verb, Intransitive verbbecoming a pupil (of); becoming an apprentice

Nounyounger sibling

Nounyounger brother (of an older brother); younger sister (of an older sister) · youngest child · young; younger; youngest