In what year was the album “Butterflies” released by Bump of Chicken?

In what year was the album “Butterflies” released by Bump of Chicken?: The album “Butterflies” was released in 2016 by Bump of Chicken, featuring 5 tracks.
What is the most successful song from the album “Butterflies” by Bump of Chicken?: “Hello, World!” is the biggest hit from the album “Butterflies” by Bump of Chicken.

Other artists of J-Pop/J-Rock