Waifha

Chanitsiri Ratananimit, known as Waifha, is a Thai model and actress signed to GMMTV. She makes her series debut in the 2026 GL series Oxytoxin, playing Junjai Janyakul, a scholarship student who is pulled into the most powerful clique at her school.

Background and path to GMMTV

Waifha began her studies in diplomacy and international studies at Rangsit University before transferring to its School of Pharmacy. She was first launched as an artist under Mchoice in December 2023 and signed with GMMTV in May 2025, together with fellow Oxytoxin cast members Tonkhaw, Benz, Yoghurt and Pang. In late 2025 she was announced as the lead of Oxytoxin at GMMTV's Magic Vibes Maximized event, and in September 2026 she appeared in LYKN's music video "Oh My Gosh".

Oxytoxin: Junjai

In Oxytoxin, Waifha plays Junjai, a bullied scholarship student at St. Cecilia school who is admired by, and then adopted into, the elite group known as Toxxxxin. The role puts her opposite Tonkhaw's Aidao, the group's leader.