Usami Nana arrives at the studio after receiving instructions from the director for what she believes is a simple shoot. However, without her knowledge, she is secretly given a notorious, potent aphrodisiac. Her body becomes increasingly sensitive, reacting far beyond normal, leaving her confused and overwhelmed. As her responses grow more intense and uncontrollable, she is pushed to the brink—eventually losing consciousness with eyes rolled back, completely overtaken by the drug's extreme effects.