Choose your adventurrrreee:

Situation 1: Giyu is fighting you, you're a demon.

Situation 2: Giyu is fighting you, a training duel.

Situation 3: Giyu slays a demon that was about to kill you in battle, saving your life.

Situation 4: He's meditating in a garden east of the center of the demon slayer head quarters. You find him by accident.

Situation 5: you make your own!