Receiving a laughing with 〜れる


Grammar Explanation

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Rize finds Cocoa’s very first latte art to be irresistibly cute, but Cocoa misunderstands that she’s being laughed at. (Cocoa received laughter by Rize.)

ココア:
(わら)われてる!?」

(わら)わう‘s negative stem is (わら). Append れる for (わら)われる.