To Love-Ru OVA Concepts

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

A concept typically found in hentai, but not limited to it, breasts may suddenly begin to grow larger in size with little or no explanation.

A male and a female member of a family that share the same parents.

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Ecchi is a Japanese term meaning sexy or erotic, anything that evolves sexy characters. Derived from the word "Hentai" but their meanings are completely different. Ecchi walks that line between sexy, but never crosses it into full graphic nudity or sex.

Common visual conventions seen in manga and anime to convey emotions, often for comical effect.

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.

Used frequently in Anime to either recap past events or provide a back story for a character, either their origin story or their off-screen training of new attack. Sometime and entire episode/chapter would be a entire flashback.

The "Gainax Bounce" refers to breasts bouncing around gratuitously in anime, often in ways that seem to defy physics.

As the name suggests, it's a situation where a character's gender is switched.

A ghost is a dead persons spirit that roams the earth usually attached to where they died or refusing to go to the after life until there are finished on earth.