Ai believes he does not belong at Psychic Academy and is unsure of how to fit in, or what is his special power.Though along with being reunited with his childhood friend, Orina, he also makes some new friends, such as Myuu and &quot;Master Boo&quot;. 

Insecure Ai Shiomi begins attending the prestigous Psychic Academy for psychically gifted students, following in the footsteps of his legendary older brother.
 
(Source: Anime News Network)


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Zerodaimu Kyupura Pa Azalraku Vairu Rua Darogu (a.k.a. Zero) once stopped the evil demon lord with his incredible psychic ability, and in the process saved the world from destruction and earned the honorable and highly imaginative title 'The Man Who Stopped the Evil Lord.' 
Now, he has accepted a position as a teacher at Psychic Academy, a school for gifted psychokinetic youngsters who have demonstrated incredible raw powers and want to learn how to hone their abilities. Among the student body is young Ai Shiomi, Zero's little brother, a somewhat meek boy who, despite parental prodding and his fraternal reputation, feels that his limited skills hardly justify his presence at the prestigious academy. 
However, everyone else is convinced that he, like his celebrated brother, is destined for greatness. A lot of pressure for a boy just entering adolescence! 
 
(Source: Tokyopop)