Kyuukyoku Choujin R
English title: The Ultimate Esper "R"
Japanese title: 究極超人あ～る
Type: OVA
Episodes: 1
Source: Manga
Genres: Comedy, Sci-Fi
Studios: Studio Coa
Producers: Bandai
Duration: 1 hr 13 min
Rating: PG-13 - Teens 13 or older

The plot featured R and the Camera Club going on a stamp tour throughout Japan, with the threat of their club being closed down unless they can collect all the stamps by 6:00 PM.

(Source: Wikipedia)