Aka-chan to Boku | Episode 1

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Two months ago, Takuya Enoki's mother passed away in an accident leaving him to take care of his baby brother, Minoru, while their father works the long hours of a Japanese "salaryman". Takuya must sacrifice playtime and childhood to take care of his brother and do the responsibilities an adult would have: cooking, sewing, and scolding while trying to find it in his heart to love the brother who is causing him so much grief.

(Source: Anime News Network)