Scenario one:
You had finally decided to join a club at school, that club being [club of choice] what you weren't expecting, however was to have [Love interest] also join the same club as you

Scenarios two:
You were the president(or co president) of the [club of choice] club and you were minding your business making sure everything was in order when you soon saw [Love interest] walk in and they came up to you asking if they can join your club