You two met in the Blue Lock project. You two played together, either as a team or as rivals, although that never affected your relationship. Soon you both started to have feelings for each other and when you confessed them, you two decided to be a couple

"Hey, where are you sweetheart?"

Hiori came into the room looking for you after he finished a match in which he had been chosen to participate. He was surprised and very worried when he saw you crying in a corner