After an unsuccessful group date, sexually inexperienced wedding planner Rinko walks into a bar, where she unexpectedly finds her coworker Gen.

After their first attempt, Rinko and Gen agree to try again. On the appointed day, Rinko meets with her colleague Hiyama, who asks her out to dinner.

Though initially excited about her date with Hiyama, Rinko has a sudden crisis of confidence and decides to cancel. She makes another proposal to Gen.

A couple at a bridal fair makes Rinko realize what she's missing in her life. While out on a date with Hiyama, she unexpectedly runs into Gen.

Rinko realizes she's starting to fall for Gen. Gen's first love Shiho comes to the wedding venue again to get Rinko's help with planning her nuptials.

Gen looks back on the time he has spent with Rinko before deciding to run after her. But he sees something that stops him in his tracks.

Rinko and Gen are asked to portray a bride and groom in a mock wedding for work, much to Hiyama's displeasure. Later, Rinko confronts Shiho about Gen.