In what year was the album “Kougen” released by Base Ball Bear?

In what year was the album “Kougen” released by Base Ball Bear?: The album “Kougen” was released in 2017 by Base Ball Bear.
What is the most successful song from the album “Kougen” by Base Ball Bear?: “Subete Wa Kimi No Sei De” is the biggest hit from the album “Kougen” by Base Ball Bear.

Other artists of J-Pop/J-Rock