Here is the full list of all 10 Kero Blaster achievements.
Beat Omake Mode while wearing the jacket.
Beat Zangyou Mode while wearing the jacket.
Beat Zangyou Mode with 2 lives remaining.
Complete Omake Mode.
Complete Zangyou Mode.
Beat Zangyou Mode without getting wiped out.
Beat the game without getting wiped out.
Beat the game while wearing the jacket.
Beat the game with 2 lives remaining.
Beat Normal Mode.