I · me

1. Origins, structure, and basic meaning

• Structure: 俺 is a first-person pronoun read おれ.
• Basic usage: It is used mainly in masculine, familiar or rough speech. Its impression depends on the relationship between speaker and listener.

2. Common pitfalls and similar expressions

• Listener and formality
  • 俺は先に帰るよ can suit familiar conversation. With someone new or in a formal setting, 私(わたし) is generally a safer choice.
  • Using 俺 does not by itself show anger. It may reflect familiarity or the speaker's usual way of talking.