Three years into dormitory life. Yuu is about to graduate, ending a fruitful student life and eagerly anticipating a new beginning. On graduation day, his stepmother Ayaka arrives with a smile, ready to celebrate. Overjoyed at the reunion with her secret lover, she invites him to celebrate together. As if to make up for the time they've been apart, they talk and laugh together. Then, she gently kisses him, saying, "This is a present for the grown-up Yuu." And so, he takes another step towards adulthood.
