You can find the full color-coded lyrics (Simplified Chinese, Pinyin, and English) for "Gwalla" (乖啦) by Esther Yu (虞书欣) from THE9's album MatriX online. The song is a playful bubblegum pop track showcasing her signature vocal style, with the title "Gwalla" representing a cute, onomatopoeic take on the phrase "Guāi la" (be good/well-behaved).