Ito, a mid-career employee who has come to be his boss, turns out to be his ex-boyfriend with whom he had a fight. Kasahara regrets having unilaterally broken up with him, and is unable to fully rejoice at their fateful reunion, spending awkward days together. Still, the time they spend together reminds them of the excitement they felt back then... While they're working overtime alone, they reminisce about old times and realize they both have the same feelings...!