HeLioS forms.
HeLioS restart activities(?).
Gt. Shilon (シロン) secedes.
V. Sena (聖那) / B. Uta (うた) / D. Yuhri (悠燐)
HeLioS suddently disbands without a last live due to the lack of contact between members
HeLioS was a visual kei band. They were active from 2012 to 2013 and are now disbanded.