When Kumisato Haruya moves into a new communal apartment with an enticing open-air bath, he's thrilled to find his childhood crush, Yua, as the manager. However, his joy turns to turmoil when he discovers Yua's secret arrangement with the male tenants to settle the building's maintenance debts through intimate favors. Determined to change the course, Haruya seeks guidance from Yua's late grandfather's spirit to confess his love and steer her away from her compromising choices. Just as their relationship takes a hopeful turn, a shocking discovery by Yua's sister threatens to unravel everything, setting the stage for a complex and emotional journey ahead.