Ai and Toriko are close friends attending the same university. Though they had secretly developed feelings for each other, they feared losing their bond and never confessed. One day, when Toriko visits Ai's home, she leans in to kiss Ai, who had fallen asleep while they were talking. At that moment, Ai wakes up, and the two take a step forward as lovers. Exchanging passionate kisses, they undress each other and become lost in mutual affection. Their passion intensifies as they connect with a double-headed dildo, drowning in pleasure. As night deepens, they share sweet kisses while taking turns with a vibrator, reluctant to part. This unforgettable moment etched in their hearts marks the beginning of their love.