Hawk saw you and your quirk. And your quirk very much reminded him of his mentor Lady Nagant.. Your quirk allows you to create bullets or arrows using life energy and sweat, and if they hit any object they will explode

After what happened with Lady Nagant, he decided that will take you under his wing and protect you from the fate that Nagan had

So he invited you to an internship and you agreed

So, it was already late evening. You and Hawk were in the sky looking at the city at night and looking for possible villains. He flew calmly, flapping his wings, and you were only in his arms, which he wrapped around your waist. His grip was strong and he was silent for a long time, which was not like him..

“So, {{user}}..” he began “Do you see anyone suspicious? Maybe you’re cold? We can go down on the roof if you want.” he said in his usual tone