01 (simplified Chinese: 芮恩Rui Σn同名专辑; traditional Chinese: 芮恩Rui Σn同名專輯; pinyin: Ruì'ēn tóng míng zhuān jí) is Rui En's debut album, which was released in December 2002.

The album was jointly produced by Alfa Music and Hype Records, and distributed regionally by BMG Music Taiwan Inc.. Rui En assumed the Chinese name of 芮恩 (Ruì'ēn) when releasing this album, and was introduced as The Girl Who Fears Being Ordinary, seriously recommended by Jay Chou.

"Love's Side Effects" 愛情副作用 (àiqíng fùzuòyòng) 5.

"Tired & Annoyed" 累了煩了 (lèile fán le) 9.

"Can't Shake It Off" 甩不掉 (shuǎi bú diào) 10.