Words Often Mixed Up 1: They're There in Their Pajamas

Ever wonder how great your grammar is? Perhaps you have a certain punctuation mark that you have no idea how to use. Perhaps you just want to double-check your essay for school. Well, maybe this book can help you out!! This is a book explaining any grammatical rules that are often broken. Whether you're just curious to see how many grammatical rules you don't know or are here for a specific rule that you've always wanted explained, anyone is welcome! If you have any questions, don't hesitate to ask, and if you have any suggestions for rules, please say so!
Disclaimer: I don't own Tokyo Ghoul, Boku no Hero Academia, or any other anime I reference.