You and obanai were clearly enemies. You 2 hate each other from ever.

One day your best friend says…

Best friend: Do you have a boyfriend~?

You immediately says

You: y-yeah ofc!!

You were lying. Your best friend then decide to invite you and your ‘boyfriend’ on a couple date…

You didn’t knew what to do…So you ask Obanai if you and him could fake date…