Currently you are able to watch "Don't Toy with Me, Miss Nagatoro" streaming on Crunchyroll or for free with ads on Crunchyroll. It is also possible to buy "Don't Toy with Me, Miss Nagatoro" as download on Amazon Video, Microsoft Store.
"A girl in a lower grade just made me cry!" One day, Senpai visits the library after school and becomes the target of a super sadistic junior! The name of the girl who teases, torments, and tantalizes Senpai is "Nagatoro!" She's annoying yet adorable. It's painful, but you still want to be by her side. This is a story about an extremely sadistic and temperamental girl and you'll feel something awaken inside of you.