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A boy and his bulldog

A young Japanese boy named Tasuku spends quality time with his best friend, a French Bulldog named Muu. Tasuku's mother, Aya Sakai, documents the pair's relationship on Instagram and on Facebook.

Boy and bulldog are best friends

In a collection of photos that is sure to warm even the coldest heart this Valentine's Day, Facebook user Aya Sakai in Tokyo, Japan has been chronicling the friendship between her son Tasuku and their French Bulldog 'Muu.'