We/us — a first-person plural pronoun used to include the speaker; often used by males and in casual speech.
僕らは明日その映画を見に行く予定だ。
We're planning to go see that movie tomorrow.
僕らのチームは今週末に試合がある。
Our team has a game this weekend.
僕らっていつも同じ店で集まるよね。
We always meet at the same shop, don't we?