Topaz Yellow
Alias Topaz Yellow
Personal Characteristics
Gender Male
Side Good
Professional Characteristics
Power(s) Topaz Gem
Occupation Commerical Hero
Member of the Gem Unit of PRISMMAN
Affiliation Hero Association
Gimza Jewelry Taki
First Appearance
Manga Chapter 8
Surprised Party Full of Heroes!!

Topaz Yellow is one of the members on the Gem Unit of PRISMMAN.



Yellow's actual appearance

Topaz Yellow is an average adult with light colored long hair. He wears a black jacket over a white button down shirt, black pants, black dress shoes, and white ties.

As Topaz Yellow, he wears a one piece suit with a black square line on the chest, a dark collar, a belt, dark boots, dark braclets, and a face place with a large topaz on it.


Yellow is shown to not like how Red acts and is willing to attack him when he is fed up with Reds actions. He does show some concern for Red when Red falls into a hole from an explosion.


A some point Topaz Yellow became a hero and became a member of the Gem Unit of PRISMMAN.


Hero Awards Party Arc

Topaz Yellow is first seen arguing with Ruby Red in the bathroom. He then transforms with Blue. When Red is about to attack Blue, He tries to attack Red but is knocked out by Red's Ruby Flame. He is the taken to safety by ajacky along with Red and Blue.

He then wakes up when they run into Rio. When Red fall through a hole in the floor from an explosion, Yellow saves Red along with Blue. It is unknown what happen to Yellow afterwards.


Topaz Yellow is the leader of the Gem Unit and can use Topaz to attack with.


  • Topazes: Topaz Yellow can use Topazes to create blasts to attack his opponent with.
  • Crystal Transformation: The crystal transformation is the way that Topaz Yellow and the rest of the Gem Unit transforms into their hero gear. It is currently unknown how they preform it though.


Ruby Red

Topaz Yellow is in the same unit as Ruby Red, but he doesn't like how Red alway takes all the glory.

Sapphire Blue

Topaz Yellow is in the same unit as Sapphire Blue, but nothing is known about how well the two get along.