Complex sentence: Miyavi commented that as the movie was somewhat sensitive to the Japanese people, hesitated whether should take this role, but after meeting with Angelina, and as the underlying theme to this story is forgiveness, wholeheartedly decided to accept it.
Split into simpler sentences: Miyavi commented that as the movie was somewhat sensitive to the Japanese people, he hesitated as to whether should take this role. However, after meeting with Angelina, and since the underlying theme to this story is forgiveness, he wholeheartedly decided to accept it.