Yuuki paints as an anonymous artist while he pursues his studies, filling in for his famous father. It's during this time that he crosses paths with Leo, a stunning young vampire haunted by a tragic history and longing for death. Yuuki finds himself drawn to Leo, but his artistic talent remains his primary means of self-expression. Despite this obstacle, their connection grows and ultimately leads Yuuki to offer his blood in exchange for a kiss. Their lives are often somber due to their colorless existence and shared desire to escape immortality, yet their time together is also infused with a dynamic energy.