The anime illustrates how the three protocols/standards handle a request (an online video purchase) from the user by handing off packets of data between them.
Source: ANN
IP
Related works
Kang Ha Ji was a lovable, friendly girl who fell victim to bullying by the school's most popular girl because of her childhood friend, Hong Min-Joo. Then one rainy day after an attempt to save a black cat from jumping into the road. She fell through a dimension crack and was transported to Cat's Kingdom.
"Did I find myself in a situation that's waaaay over my head because I…