The inseparable Hitachiin twins, Hikaru and Kaoru have such distinct lives. One smothered by the other, yet never alone, For the two always stand together at the Host Club's throne.

Hikaru's personality lies far apart from Kaoru's laid-back attitude and soft heart. Hikaru's need for control is so often seen, and Kaoru's love for reason is quite keen. Though it's humorous how they clash with Tamaki, the rivalry is always full of playfulness and glee. Hikaru and Kaoru still remain a pair,