12 IPA 4 is an Indonesian television series produced by Unlimited Production which premiere on 24 July 2026 on WeTV. It starring Junior Roberts, Nayla Purnama, Sandy Pradana, and Catherine Alicia.
Plot After the sudden death of her twin sister, Hanin discovers a diary containing Hana's final dream and secrets about her life at Sirius High School.
To fulfill her dream, Hanin disguises herself as Hana and enters Sirius High School. Unfortunately, in her disguise, Hanin finds herself trapped in the absurd lives of 12th-grade science students and becomes involved in a love triangle with Joan and Jarvis, two handsome men who each harbor their own charms and mysteries.
Cast Junior Roberts as Jarvis Nayla D. Purnama as Hanandya Maheshwari/Hanin Sandy Pradana as Joan Catherine Alicia as Arabella Sheryl Jesslyn as Lana Denzel Noah as Gavriel Sheva Audrey as Welda Mahesa Koenen as Harka Joseph Halim as Arsenio Jinan Safa as Nadia Jessica Shaina as Alea Ratu Aulia as Jema Alika Dinda as Milda Chelcy Clarissa as Yoriko Catherine Alicia as Arabella Zidni Hakim as Arya Dahlia Poland as Mira Nadila Ernesta as Mutia
Productions Development In April 2026, We TV announced a new series titled 12 IPA 4.
Casting Nayla Purnama was confirmed to play dual role, Hana and Hanin. Junior Roberts was signed to play Jarvis. Jinan Safa was roped for the role of Nadia. Catherine Alicia enters as Arabella, marks her acting debut.
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