When the exceptionally tall Risa Koizumi discovers that her rival, the notably short Atsushi Ootani, is romantically interested in her best friend, she decides to collaborate with him. Despite harboring feelings for Ootani's friend, fate takes a twist as their crushes end up together instead. With determination to move on from their heartbreak, Risa and Ootani form an unlikely alliance, cheering each other on amidst their constant banter. Despite their reluctance to admit it, they share more similarities than differences – from their unique heights and poor academic performance to their shared love for food and penchant for childlike behavior. As they become known as a comedic duo, eliciting laughter from their peers, could the romance they seek be closer than they realize?