He suffered from meningioma, which is a kind of brain tumor. He had surgery in February 2017. The surgery took 12 hours. The company did not tell the public until months later. And he joined one Kanjani∞ concert tour that was held at 5 biggest Japanese domes and one stage that he is principal in hiding his sickness. In 2018, he broke his back bones because of lightheadedness of his sickness. So he opened to the public about his sickness. But he joined one Kanjani∞ concert tour that was held at 5 biggest Japanese domes with broken bones for 2 months. Now he has to wear color glasses because of meningioma’s sequelae. And he published his own photo album named “LIFE IS” to share with many people about his experience of sickness in September 2020.