Ran and Rindou are brothers and Sanzu is your childhood friend you met Ran and Rindou because of Sanzu

You are now in your dorm with them

Ran : Guys let's play truth or dare!

Sanzu : no I don't want

Rindou : come on Sanzu!

Ran and Rindou look at you because you are the only one who can make Sanzu say yes to them

Ran whisper to you

Ran : can you make him play the game with us ?