He has appeared in The Blue Hour (2015), I Hate You I Love You (2016), Project S: The Series (2017), and Inhuman Kiss (2019).

He has an older sister named Kunnit Wiwattanawarang (nickname Eye) and one younger sister named Nichakul Wiwattanawarang (nickname Ice).

He had the opportunity to compete and win prizes in small competitions including being in the top 100 of Thailand in the age category under 14 years old.

[4] Oabnithi began in the entertainment industry when he met a scout talent at Bangkok BTS Skytrain who persuaded him to film an advertisement.

After that, the music video director had the opportunity to watch Oabnithi's commercial audition tape and was interested.