Puen Ruk Puen Rai

Traijak and Treethep are best friends. Traijak is a orphan raised by his grandmother along with his younger sister Kruawan, who is disabled. Treethep came to live with them because his father was beaten to death and his mother was in prison. Under the same roof, Treethep uses Kruawan to fulfill his desires without anyone knowing. In university, Traijak and Treethep's friendship is shaken when they both fall in love with Waytita, the star of the Faculty of Arts. In the group, there is also Sareeran. How will this story end?
(Source: Translated from Sanook; edited by msbrightside on MDL)