It's been reported that Koda Kumi has canceled her appearance for the "Ontama Carnival 2012".

Koda left a post on the event's official website, explaining, "Ever since I fell ill at the end of the year, I've caused everyone to worry, and so I've faced each day dealing with my body. Since the beginning of the new year, I've made thorough discussions with the doctor, and he's continued to check the progress of my condition. Due to the doctor's judgement, I will be canceling my appearance on this year's 'Ontama Carnival'."

Koda was forced to cancel her appearance from "MUSIC FOR ALL, ALL FOR ONE" on December 24th due to poor health. However, the singer rallied herself to gave a lively performance on the "62nd NHK Kohaku Uta Gassen".

Koda Kumi recently revealed that she is pregnant, and so in light of her condition, she's decided to also cancel her arena tour.

Source: natalie