After a strange and devastating attack on his home, a young boy named Rai is shocked to discover he’s a secret descendent of the Tigeroids: an ancient race of peaceful beings locked in a struggle with the ruthless and cunning Dragonoids. In a parallel universe called Suhn, the Tigeroids and Dragonoids are battling furiously to recover 500 lost tai chi characters. Whoever retrieves these precious and potent symbols will possess the ultimate power to rule their realm... and destroy their enemies. As Rai hones his innate tai chi skills to fight the Dragonoids, he must find the lost tai chi and battle to become one of the champion Tai Chi Chasers!

One lonely, gloomy fifth-grade girl is the target of her classmates' relentless bullying and teasing—that is, until a new kid arrives on the scene. Friendly Takada is as clueless as he is well-meaning, but somehow he possesses the magic ability to start drawing "Grim Reaper" Nishimura out of her shell. As the elementary schoolers experience all the fun of a childhood summer together—from going to the pool to picking sunflowers to watching fireworks—an unusual friendship blossoms!

Bintang, a quiet and polite little girl, is a new student who moved from the Netherlands. When she was still not used to hanging out with her new friends in Indonesia, she befriended Bulan, a tomboyish brave girl who was stubborn and wild. Their opposing personalities often make them clash. Hostilities broke out when Bintang found out that Bulan's mother, Yunisa, wanted to marry her father, Dewo.