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)
Amamiya is kawaii!
完結散花～～好看！
2016年 季度排名 #1
2016年 動畫總排名 #31
Amamiya is kawaii!
完結散花～～好看！