There are good news from Artemis!
The band is going to release their 3rd single entitled "Destiny" on April 6th! It will cost 1080 yen, including three tracks. You can pre-order it from Brand-X or CDJapan.
If you go to their live at Ikebukuro EDGE on the day of the single's release you can buy your copy there for 1000 yen only.