Urusei Yatsura: The Shougaibutsu Suieitaikai

Synopsis

On a very hot summer day in Tomobiki town, Lum, Ataru, and the rest of the gang are looking forward to using the school's pool. But the teachers have other plans: setting a ludicrous obstacle course between the students in their swimsuits and the pool... naturally this ends in complete chaos. (Source: AniDB)

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