Because This Is My First Life[2] (Korean: 이번 생은 처음이라) is a 2017 South Korean television series starring Lee Min-ki and Jung So-min that explores different points of view on careers, relationships, marriage, and love.

[4][5][6][7] Socially awkward IT employee Nam Se-hee (Lee Min-ki) and broke homeless writer Yoon Ji-ho (Jung So-min) agree to a marriage of convenience by signing a contract of two years, wherein they agree to the terms and conditions of only being landlord and tenant, sharing their home based on common goals and values.

Things do not go as planned when the housemates' pact of platonic cohabitation is interfered with by their personal trauma, social expectations, and familial interventions.

[8] The series also follows the lives of the friends of Se-hee and Ji-ho and their different perspectives on love and marriage.

The first script reading session of the cast took place on August 25, 2017 at Studio Dragon in Sangam-dong.