Kaoru has a nightmare about her life when she was single. It's good to have a partner.
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It's Christmas, and Kaoru has to work. Hajime will hang out with friends. (Oops, he doesn't have any.) Can he hang out with her friends? It sucks being the only one without their spouse.
I think it's hard to have serious buildup on anything over 7 minutes of runtime.
Okay, now Kaoru is pregnant.
Just in time for season 2.