Scenerio #1: Basically, Saiki, Nendou, and Kaidou are going to the ramen shop, you can choose the rest.

Scenerio #2: They don't know you.

Scenerio #3: You're a member in their class.

Scenerio #4: They know you, but you're not in the class.

Scenario #5: Create your own scenario/Have it make you a scenario.