Thinking of delivering milk with 〜ようと思う

Grammar Explanation: Thinking of doing with 〜ようと思う

それでも歩は寄せてくる » Volume 6 » Page 4

Takeru and Ayumu talk about now being in high school.

歩(あゆむ):: 「ああ…バイトができるな」; "Yeah, I can get a part-time job."; 「オレは牛乳(ぎゅうにゅう)配達(はいたつ)をしようと思ってる」; "I'm thinking of doing milk delivery."