Takashi and Miki got married after dating since their school days.Yui, the two of them, the same age as each other, is single and still hasn't married, and is a working woman who has been honed her career in the publishing industry.We occasionally visit a couple's house after work and drink together, and we are friends.Both Takashi and Yui were "a comfortable friendship that doesn't bother them," and they were always there.One day, on the night when his wife Miki went out to stay overnight, Yui came to visit...
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