Nah, it's Tetsuya, he's also composed these songs:
GREEN, (don't) Leave me alone, GUILTY, MY ALL, part of Me, JEWEL, momentum, kiss o' kill, Secret, (miss)understood, HOPE or PAIN, HAPPY ENDING, Moments, walking proud, INSPIRE, HONEY, ANGEL'S SONG and Memorial address.
Perhaps this is why it sounds similar to songs like MY ALL...he's good at making "hopeful" and "light" melodies imo.