When Ataru flips out over Lum for forgetting his upcoming birthday, she goes absent from school for days and only comes home late at night. This causes both Ataru and Lum to become upset, as well as separately confine in Miss Sakura.
urusei-yatsura-ep-66Urusei Yatsura Season 1 Episode 66
Urusei Yatsura Season 1 Episode 66
Happy Birthday My Darling
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