My Brother's Wife (lol)—or Rather, She's All Mine During The Day Lolololol Yuri Honma

Yuri, in her fifth year of marriage. Although she hadn't been blessed with a child, she felt happy in her married life with her serious husband. However, Yuri's married life changed completely when her husband's younger brother moved in. Perhaps because he was still young, the much younger brother couldn't even find a job; he was a so-called NEET. When her husband left for work, he would approach Yuri and play tricks on her. When she refused, he would scream and throw a fit. Unable to consult her husband, Yuri worried day after day. But deciding she couldn't go on like this, Yuri resolved to confront her brother-in-law. What was the outcome...?