Ramen Chai-nyan
Genres: Action, Comedy
Type: OVA, Episodes: 1
Aired: Feb 14, 2001
Source: Original
Rating: PG-13 - Teens 13 or older
Synopsis:
Chai Nyan is a 14-year-old girl who came all the way from China to spread the way of Ramen! However, a drunk named Yoiyoi refuses to accept that Chai Nyan's ramen shop neither sells alcohol nor allows drinking. And so, the drunk decides to destroy the shop with robots and so on. Will Chai Nyan be able to weather this storm?

(Source: AniList)