In what year was the album “Wings Flap” released by L'Arc〜en〜Ciel?

In what year was the album “Wings Flap” released by L'Arc〜en〜Ciel?: The album “Wings Flap” was released in 2015 by L'Arc〜en〜Ciel, featuring 4 tracks.
What is the most successful song from the album “Wings Flap” by L'Arc〜en〜Ciel?: “Wings Flap” is the biggest hit from the album “Wings Flap” by L'Arc〜en〜Ciel.

Other artists of Japanese music