Julia, a married woman, goes out drinking with her young colleague Nakano to deepen their bond after returning to work. After taking care of drunk Nakano and sending him home, she is unexpectedly confessed to. 'There must be younger girls than me...' She initially refuses but succumbs to his passionate feelings, leading to unexpected sex with internal ejaculation for the first time in a while. The mature body and young libido have an unexpectedly high compatibility. After that, the two become engrossed in intense sex and youthful days both at work and at home, and now nothing can stop them.
