Happy Seven: The TV Manga EP5 - Where There's Hardship, There's Good Fortune

A young boy went missing. At the festival, Amano accidentally got Kagawa's Yukata dirty and a lady told her not to wipe it. She brought them to her house and served them tea, explaining that her husband had run off with a younger woman, and after a strange moment with Amano the Happy Seven believe her to be possessed. While discussing tactics, Shouju hears a noise that sounded as if it was a young boy, following it they find the missing boy in her shed, wrapped in a web. While they are attempting to free the boy, they are captured by webs themselves; coming from the lady. After talking her down, the monster is freed and defeated.