Saiki Kusuo

"You laid your hands on an psychic's wallet. I hope you're prepared for the consequences."

- to a thief

Kusuo Saiki (斉木 楠雄, さいき くすお lit. Saiki Kusuo) is the main protagonist of the series who has all kinds of ESP-related abilities. He usually avoids getting into troublesome situations. His trademark appearances contain his green-tinted glasses and two pink antennas located slightly above each ear which have the function of limiting his power. In the beginning, he was always seen alone but as the story progresses he eventually gets along with his schoolmates, especially Riki and Shun.

Appearance
As a child, Kusuo does not wear any limiter and poses a striking pink hair that differs from both of his parents. In his current image, he has a limiter on the both sides of his head which he never removes unless it is necessary or when it is accidentally removed. During his days at school, he wears the standard PK Academy uniform that all male students wear, while on his days off he wears clothes that are sewn by his mother. Kusuo's appearance however, is not limited to that of a male, as he can also transform into anything (but it takes 2 hours to transform).

In his female form, Kusuo is first known as Kusuko(he later changes it to Kurikou), has lighter Pink hair, and unlike the male form she has no limiter on her head though she still wears glasses. In his cat form, Kusuo is known as Sai and has white fur, he still wears his glasses, and his limiter is in the form of a collar around his neck.

Personality
As a Psi user, Kusuo is usually emotionless and constrains himself from having any friends, preferring to do whatever it takes to not to be associated with others so he doesn't expose his powers. Due to this, he has never spoken using his voice, instead projecting his words via telepathy into the minds of his friends. Although he didn't have any friends during his first year, during his 2nd year, a lot of his classmates like Riki, Shun, Kineshi, Aren, Kokomi, Chiyo, Reita and Mikoto kept on bugging him and somehow changed his perspective. He later thought of himself as a friend of theirs and even called Shun his friend.

Although he doesn't express much interest in many things due to his powers (e.g. surprise parties, romance, fortune-telling, etc), Kusuo is addicted to the dessert known as coffee jello and can be persuaded to participate in anything his friends are in as long as he receives his coffee jello. His addiction is not just limited to coffee jello but also to different kinds of sweets. Despite being able to get anything he wants without using any money, Kusuo uses money and saves up money to buy something he wants, like the Coffee Jelly Maker. His kind mom was the sole reason why he didn't abuse his own psychic abilities for nefarious activities. Kusuo also has an interest in television shows, due to electronics being unaffected by his powers, allowing him to enjoy dramas/scenes that prevent the use of his telepathy which leaves him open to spoilers from the thoughts of others.

History
Past= Kusuo was born in Hidariwakibara Town at the Middle-class area with his completely normal parents. At the age of 1 years old, Kusuo was able to fly, teleport and use telepathy to communicate with his parents. Kusuo was then pursued by an Intelligence Agency of a certain nation for his powers when he was 4. Since then Kusuo conceal his powers to avoid unnecessary trouble and erased the Intelligence Agency along with the nation. When he was 6 years old, befriended Akechi Touma, an observant boy who mocks their classmates. Once when Kusuo was about to teleport behind the bush due to a certain television show, he witnessed his classmates bullying Touma. Thinking Touma lost his consciousness, Kusuo healed him by touching the tip of his shoe to Touma's arm and left not knowing he dropped his name tag. The next day, on PE class, Touma was mocking again the bully in front of his classmates when he was about to be hit again but Kusuo used his powers to their classmate. At that moment Touma loudly exclaimed that Kusuo is an Esper but Kusuo didn't say a word about it. The next scene shows the destruction of the grade school Kusuo attended and the bodies of injured children on the ground with Kusuo standing with a stolid face.

When he turned 15 years old, his abilities increased and was able to use telekinesis, X-Ray vision, and many more ESP related powers, which he thinks are nothing but trouble. His power to control his appearance has not yet been developed as people can see the antennae on his head. Kusuo had been keeping his distance from his classmates but Riki, known as their delinquent was bullying him. Riki only became friendly with Kusuo when he implicitly helped Riki from being framed by Takahashi as the thief. After the two got friendly, Shun went to befriend Kusuo who then rejected the later's quest on finding the mysterious alien (which is actually just Kusuo). After learning the reason why Shun insist on becoming his friend, Kusuo finally gave up and transformed into the alien that Shun was looking for. The three started to hangout since then. These are the alternate worlds that was introduced in the series. Censored World -Kusuo didn't enroll in PK Academy and then was thus unable to mingle and talk to the other students/characters. He then turned the world into a censored world in just 10 chapters. Instead, the other work of the author, the Mikami Case Files was serialized. Modified 2014 World -Kusuo influenced the meeting of his parents encounter which changed the flow of the events. Kusuke created a time machine which was the cause for the World War 3 to break out and the world met it's destruction. The cause of Kusuo's death was unclear but in Modified 2014 World, he has been dead for more than 3 years. Unable To Save The Dog World -In Chapter 1 or Episode 1, in another world "Kusuo" wasn't able to save the dog from the incoming truck. Devastated by the accident and his hesitant attitude, "Kusuo" decided to change for the better and used his psychic powers as people came to ask for his help.
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