Zettai Karen Children: The Unlimited Concepts

Bathing Scenes, while occasionally meaningful to plot or character development, are generally excuses for fan service.

An esper (or ESP-er) is someone with psychic abilities. The concept is frequently used in a variety of anime series.

Fan Service is often a sexually provocative moment or pose that takes place in manga and anime. It usually has no real purpose to a story, and serves as a lurid visual.

Characters with two different eye colors.

Coined by Tom Pinchuk, tricky refers to content that sexualizes minors or characters with the appearance of minors. Generally, these characters have a physical appearance that puts them noticeably under the legal age of consent (17) in the United States.

A popular design choice for characters in anime is to give them natural hair and/or eye colors that do not occur in real nature.