[3][4] Her acting debut as a female lead was in F4 Thailand: Boys Over Flowers, Thai adaptation of Hana Yori Dango manga alongside Bright Vachirawit Chivaaree,[5][6] which gained her international recognitions.

[9] In 2020, at the age of 19, Tantivejakul appeared in Ink Waruntorn Paonil's music video for her song "Disappointed" (เหนื่อยใจ) with Billkin Putthipong Assaratanakul.

In September 2020, official announcement was made through a teaser that she would debut in the Thai adaptation of Hana Yori Dango manga, F4 Thailand.

[13][14] During the GMMTV "2022: Borderless" event, it was announced that Tantivejakul would play the lead role of Kongkwan in 10 Years Ticket alongside Ohm Pawat Chittsawangdee.

[15] In February 2023, Tantivejakul appeared as Bee in the new fantasy series Midnight Museum, a guest role she took up has she was concurrently pursuing dentistry.

[16] In July 2023, Tantivejakul starred in (G)I-dle's music video "I Do: A Love Story in Bangkok" alongside her F4 Thailand and Magic of Zero costar Jirawat Sutivanichsak, marking the third time the pair had worked together.