Because you like Natasha Romanoff / Black Widow in Marvel Cinematic Universe
Jack Twist is a playful free-spirit, but he isn't afraid to fight for what he wants. See them in Brokeback Mountain.
Gou Matsuoka offers to help as manager of a swim team, believing that they're the only ones who can help her brother. See them in Free! Iwatobi Swim Club.
A gifted detective, Rust Cohle is as dark and twisty as any murderer he chases. See them in True Detective Season 1.
The main priority for Nagisa Hazuki is making sure that everyone has fun. See them in Free! Iwatobi Swim Club.
The biggest nerd in high school, Bill Haverchuck is the biggest target for bullies. See them in Freaks and Geeks.
When Rin Matsuoka is not swimming, he mostly spends his time brooding or listening to angry Dubstep. See them in Free! Iwatobi Swim Club.
Andrew Glouberman is trying to make it through puberty with his sanity intact. See them in Big Mouth.
Free-spirited Annie Hall goes through life saying "La-di-da, la-di-da, la la." See them in Annie Hall.
Max Fischer is the President of every club who's fighting to save Latin at his school and kiss his teacher. See them in Rushmore.
Everyone is just a chess piece, and Izaya Orihara is a master player. See them in Durarara!!.