First Day High
The journey in solving the greatest mysteries of life begins on the first day of school. Brainy Indy, MVP MJ2, Sosy Pre, Rebel Gael and Nice Guy Nathan are college freshmen who enter FDH University without knowing what college life will bring them. Until they all got involved in the biggest mystery the university has ever encountered- B.W.A.C.A. or Basketball Water Contamination Accident. Initial investigation shows that the water drank by the players during the game was contaminated by a mysterious substance.
| Actor | Role |
|---|---|
 Geoff EigenmannGael Zantua | Gael Zantua |
 Jason AbalosNathan Matriponio | Nathan Matriponio |
 Maja SalvadorPrecious Samartino | Precious Samartino |
 Kim ChiuIndi dela Concepcion | Indi dela Concepcion |
 Gerald AndersonMJ2 Ramirez | MJ2 Ramirez |
 Boy2 QuizonPaco | Paco |
 Kat AlanoAshley | Ashley |
| RRich AlvarezMJ1 | MJ1 |
 Bembol RocoInvestigator Matriponio | Investigator Matriponio |
 Cherry Pie PicacheIndi's Mom | Indi's Mom |
 Michael De MesaCoach Zantua | Coach Zantua |
 Johnny DelgadoBossing | Bossing |
 Gardo VersozaRene Samartino | Rene Samartino |
 Arlene MuhlachTasing Samartino | Tasing Samartino |
 Madeleine HumphriesKirsten | Kirsten |
 Denise LaurelTuesday | Tuesday |
 Bodjie PascuaChairman Silta | Chairman Silta |
 Ilonah JeanJune Matriponio | June Matriponio |
 Ketchup EusebioMascot | Mascot |
 Empoy MarquezFanatic Guy / Tour Guide | Fanatic Guy / Tour Guide |
 Jeffrey TamRudimer | Rudimer |
| RRoden AranetaSports Committee Member | Sports Committee Member |
 Nor DomingoBullgos Coach | Bullgos Coach |
 Artemio AbadLab Professor | Lab Professor |
| AArwind SantosNot listed | Not listed |