Kodomo no Jikan

Season 1, Episode 6: Memories

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A flash back is told of Reiji's parents and Rin's mother. Reiji's father was an alcoholic and got angry over minor things; one night his parents got in a car crash and died. Afterwards, Reiji moved in with his cousin Aki, Rin's mother, whom had lung cancer, but did not tell any one until it was too late.