Crossed Arms
In anime body language, this is the most powerful thing you can do. Crossing your arms is not just a way to feel better; it is a message. This pose screams attitude, whether it is a rival character leaning against a wall with a smirk or a tsundere trying to hide their embarrassment. In Japanese, it is called "udekumi," and it shows right away that a character is in charge or on the defensive without them having to say a word.
This tag has a lot of cool character studies that you can see. This pose is great for artists because it makes a strong, solid shape and lets them play with the folds in clothes, like school uniforms or flowing cloaks. You will see it used a lot for "cool" characters like Vegeta or Levi, but it is also used a lot for anime girls who are mad that you are late. It perfectly frames the chest and face, drawing all the attention to the character's face.
This is the collection for you if you want wallpaper that makes you feel confident or just sets a moody mood. It includes everything from strategists who are careful about their next move to characters who will not admit they are wrong. It is a small thing that makes any screen look a lot more interesting.