Chapter 552: Sky-Piercing Standing Cannon

Flying Hearts was once the most popular girl group on Earth, and the current most popular idols in the entire Federation. Their small bodies blasted out incredible singing energy; their courage after facing consecutive attacks by terrorists, their pure and lovely appearances... these had brought up a Flying Hearts whirlwind in the Federation.

Other singers were struggling with their concerts and were striving for a satisfactory attendance rate; they thought hard to come up with new tricks to attract people. Flying Hearts, on the other hand, was having struggles with stadiums being too small for their audiences.