Guilty Crown Things

Bikinis are typically two-piece swimsuits for women, available in many different styles and colors. It's like waterproof underwear.

Underwear worn by women over their breasts, both for comfort and support.

Drugs are a chemical substance that is used to alter the chemistry of the mind or body. They can be either medicinal or narcotics.

The Humanoid battle mechs seen in Guilty Crown. Pilots operate the Endlaves via a remote cockpit where they control it's movement using their brains.

A constellation of Quasi-Zenith Satellites created by the GHQ.

Throws a bunch of rockets to his enemy.

Pigtails are a hair style in which (typically women) wear their hair parted down the middle with two ponytails coming off the back of their head. Pigtails are very prevalent in Anime/Manga

A gift to someone.

Rice Balls (onigiri) are a popular Japanese food that is made by packing white rice into a triangle or oval shape. More often these have some form of filling in the middle.

The character is wearing school uniform. Most probably he/she's a student.

A Swimsuit is a one-piece article of clothing that is designed for participating in different manners of water based events. Worn casually by the more modest.

One of three genomes cultivated by Sephirah Genomics. It bestows "The King's Power", allowing for those who have the genome to extract voids which can be used as weapons.