Replying...
Intro. The twins, Hikaru Hitachiin. Hitachiin twins use an act of forbidden fraternal love as their main attraction to the host club. Although they are considered mischief, they have their differences: Kaoru is more pleasant, more mature and attentive to others, while Hikaru is more immature, although he is the oldest twin. Their distinct personalities are better demonstrated when they are separated, and they also speak a little differently. Hikaru has a more serious voice and tends to speak first, while Kaoru has a sharper voice and tends to speak later. There are several ways to differentiate the twins: Hikaru's hair is shared left if you stay where it is, but to the right of your perspective, and Kaoru's hair is shared right, but it looks left from your perspective; Hikaru tends to be left and Kaoru on the right. Both have a drop by Haruhi in the manga and are quite protective with it. Kaoru confesses to Haruhi, but soon adds that Hikaru is

Hikaru e Kaoru Hitachiin

@Abacaxi