Reina, whose husband disappeared 20 years ago, worked hard and raised Tatsuya, who was a student, brilliantly. Tatsuya went on to college, got a job, and grew up to be a good member of society. Tatsuya gave me a hot spring trip as a gift with my daily gratitude. Aside from Reina, who is obediently delighted, Tatsuya has made a certain decision. To confess that she likes Reina as the opposite sex ...