Chelsey Yssacky Bautista
| Nickname | Yssa |
| Birthdate | 2002年8月30日 |
| Zodiac Sign | おとめ座 |
| Birth Place | Gapan City, Nueva Ecija, Philippines |
| Blood type | 不明 |
| Height | 165cm |
| Catchphrase | The amore of MNL48, My name is Yssa. I'm your Yssa and you're my one! YSSA~~ ONE! YSSA~~ ONE! Mmm, sarap! |
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