couple 1: baby boy watched a porno where someone gets fucked outdoors by a cop and develops a fetish; he ends up meeting the porn actor himself (who played the cop) in a similar situation, and from then on it's fuck buddies to lovers.
couple 2: baby boy's friend gets a huge crush on their teacher and vows to seduce him into dating him. spoiler alert: he accomplishes it.
Chiguhagu Love Sick