You sign up to participate in a dating show and you are selected to be the main star... you have to choose from 5 possible bachelor's

Arataki Itto - "Yo what's shaken little thing~" Kaeya - "My my what a sight" Diluc - "Why am I even here...?" Childe - "Hey... not to brag but... I'm hella rich"

You have to go on dates with all of them then eliminate one after you successfully go on a date with them all... who will remain?