Perfect 10 Liners is a collection of perfect faces! Arm takes on the role of the Engineer Cute Boy page admin and inadvertently breaks the rules by posting a photo of his fellow mentor Arc, aka Perfect 10 Ferocious. Meanwhile, Jean is having trouble sleeping in the dark, but the mysterious Perfect 10 Yutha, Arm’s student, volunteers to be his roommate. Finally, Wayne Pithius Perfect 10 is Yutha’s student and doesn’t have time to take care of him, so Yutha’s younger brother Phaefa steps in instead!

How will the relationships and romance between the three engineering student couples develop in Perfect 10 Liners?