Title (romanized): Shinseki no Ko to O-tomari da kara Title (English): Because I'll Stay Overnight with My In-law's Child
Why would someone say this? Here are typical situations in Japanese family life: shinseki-no-ko-to-o-tomari-da-kara.html
On the surface, “shinseki no ko to o-tomari da kara” is just a reason. But beneath it lie universal feelings: Title (romanized): Shinseki no Ko to O-tomari da