Nepu appears in the 2015 anime film *Eiga Chibi Maruko-chan: Italia kara Kita Shōnen* and related media. He is a boy from Hawaii visiting Japan as part of a six-child international exchange group. This group stays with local families in the protagonist's town. Nepu joins the main characters on their cultural exploration across Japan, traveling to Kyoto and Osaka. His presence emphasizes the film's theme of international friendship and cross-cultural encounters. The character also features in the one-hour television anime special *Chibi Maruko-chan ~Arigatō! Anime 25 Shūnen & Eiga Kōkai Kinen Sakura Momoko Gensaku 1-jikan SP~*, aired December 27, 2015. This special commemorated both the film's release and the television anime's 25th anniversary, reuniting the same guest characters including Nepu.