Transmigrating to the 1970s, I Have to Marry a Fierce Man from the Start

She opens her eyes to find she's transmigrated to the 1970s as a supporting female character, forced to go on a blind date. Unexpectedly, she hits it off with a handsome, slightly gruff man who's just been discharged from the army. She finds sweet love in the 1970s and works hard to build her career, unconcerned with her cousin, the heroine, and her whirlwind romance. All she cares about is her little family. She'll make it bigger and stronger, and rise to the top of life.