Full Moon wo Sagashite

Is Mitsuki an Expert on Love? (1x28)

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Mitsuki gets fan-mail from a girl asking for her advice in love. Mitsuki soon realizes that her friend, Kumi, is the one who sent that mail! Apparently, she has a crush on a boy named Machida, but she's clueless on how to let him know about her love for him. So, she turns to Mitsuki, who she assumes is the master of love.