The disbandment comes on the same day that guitarist 樹璃 (Juri) will depart and retire for "family reasons", and the band can't continue without him. Recently, Juri has suffered a number of health issues to the point where he was abruptly transported to the hospital while on his way to the studio. According to his blog, he was suffering from acute dizziness, nausea, cramping of his hands and feet, and also a worsening case of tinnitus and a severe headache - all reaching up to the possibility of Ménière's disease, an ear disease that affects hearing and balance.
A very tragic - and sudden - way to go...my thoughts go out to Juri. Hopefully the rest of the guys will continue on with band activities, this group was truly short-lived.
UPDATE: Guitarist Juri has departed early on September 16, 2015, due to his worsening condition caused by Ménière's disease, his father announced today.
Another update: Juri's departure is now questionable, as the rest of the band are waiting for a direct response from Juri himself about his departure. They hope he will be able to participate at their last oneman.