Marry Me, Let's Have a Baby!

Maybe I can make it with my colleague too? (1x4)

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Taika was getting along well with Ayano, but alas, he's unable to go home because of torrential rain today. He has no choice but to go to a love hotel with his junior colleague, Mimi Kagamiya until the rain dies down. However, Kagamiya couldn't hold back her frustration at how she's not treated like a woman! Taika tells her he can't have a child with anyone other than Ayano, but Kagamiya persistently urges him to have a secret relationship with her...