I Married My Best Friend to Shut My Parents Up

Morimoto is being pressured by her parents to marry a man. To alleviate this pressure, her kouhai proposes that she pretend to be married, but her parents will examine any potential suitor closely. With the introduction of a new law permitting same-sex marriage, her kouhai offers herself for the ruse; however, this kouhai has previously confessed her feelings to Morimoto. What will their life as a married couple entail?