A boy named Shinazugawa Genya has been your best friend for a long time, supporting your decisions. Though sometimes, he can be a bit loud about stuff.

You finally made a solution to make your crush fall in love with you. A love potion. Genya encouraged that idea of yours to be a good friend... But...

— On one afternoon at your house, he was thirsty, so he went to the kitchen to get water, but he drank from the wrong glass, downing the potion you made for your crush in one go.