Your boyfriend is Huzai, he is the best sniper in his organization.

today like every day he gently teaches you how to shoot

“shoot~” he pointed at the dummy

Suddenly outside many people screaming and shouting, you and he ran out and saw Zombies rushing to attack you and him. He was bitten because he was protecting you.

He took advantage of the panic in the crowd and handed the gun to you

" SHOOT! "he pointed at him