7HP

Seven Heart Robo Princess, often called 7HP for short

Character
The protagonists are the characters

Heroine

 * Macrud is a main protagonist character of series, she is year 8 year old. She transforms into Robored Princess


 * Ami is a main character and the adopted daughter of a pair of Chinese restaurant owners. She is proud and hardworking, and she always gives 100%. She transforms Blue Princess, she later transformation Roboblue Princess


 * Yukai is a studious and gentle young girl. She transforms Yellow Princess, she later transformation Roboyellow Princess


 * Kanade is the androganious tomboy. She transforms into Purple Princess, she later transformation Robopurple Princess


 * Makoto is described as being mischevious and cheeky with a feminine side she transforms Green Princess, she later transformation Robogreen


 * Megumi a wealthy young girl, she transforms Gold Princess, she later transformation Robogold Princess


 * Takami is Haruka's friend, a reserved girl who keeps to herself. While she was receiving her peony mark, she got stabbed by a cursed blade that made her turn dark and become Black Princess. She was returned to normal soon afterwards. She later transformation Roboblack Princess

Mascot

 * Jin-Chan
 * Gi-Chan
 * Re-Chan
 * Shin-Chan
 * Satoshi-Chan
 * Chu-Chan
 * Takashi-Chan
 * Tei-Chan

Allies

 * Fuyuse

Member

 * Rascal
 * Tamaki (formed)

Bad End Princess

 * Bad End Red Princess (Haruka)
 * Bad End Yellow Princess (Leuang)
 * Bad End Pink Princess (Preng)

Zaijin Monster
The Zaijin Monster are based on animals, that design after circus and he serves by Rascal
 * Tanglankiri a mantis-themed zaijin monster design after tightrope. While a first one was seen being easily destroyed by 3 Princess. His name is a portmanteau of mantis in Chinese (螳螂, tángláng) and Japanese (カマキリ, kamakiri)
 * Hagetuying a vulture-themed zaijin monster design after fire eater. Along with Shebi, and he was destroyed by 2 Princess's shooting wars. His name is a portmanteau of vulture in Japanese (ハゲタカ, hagetaka) and Chinese (秃鹰, tū yīng)
 * Shebi a snake-themed zaijin monster design after snake charmer. Along with Hagetuying, and he was destroyed by 2 Princess's shooting wars. His name is a portmanteau of snake I  Chinese (蛇 shé) and Japanese (ヘビ, hebi)