They are a series of advertisements to advertise condoms from the Okamoto Condoms company. The "series" consists of 4 episodes, which parody anime such as Dragon Ball and Yu-Gi-Oh, the protagonist for example has a design that goes to recall that of Ash Ketchum and Goku. The episodes are then recaps of a fictional action series, and the episodes are nicknamed with the scattered episode number (the first, nineteenth, forty-fifth and fifty-sixth). The series, in addition to advertising condoms, seeks to teach the masses the use of condoms. A truly unusual and successful advertisement, fun and well written. And being truly original as a marketing gimmick,the vote I give it as an advertisement is 10