Your name Marisa is written in Chinese as 玛丽莎 mǎ lì shā. While this name has beautiful connotations, it is not exactly what you are looking for.
And your name Missy is written in Chinese as 蜜西 mì xī.
Although the name does not mean sexy, you will see that the meaning is very attractive.
蜜 Mì - This character means honey. And when we say 甜蜜 tiánmì, it means happy or sweet.
Sweet like the famous singer 邓丽君 Dèng Lìjūn (Teresa Teng) singing the song 甜蜜蜜 tiánmìmì.
Enjoy the video.
西 Xī - This is a word for the second syllable sound 'sy' in Missy. In Chinese, it means west. And people from the USA are known as westerners to the Asians.
So there. Hope you like this Chinese name. Please share and recommend this page on facebook.