For those wanting to get macho, here's the workout from the anime's endings:
10 reps squats x3
30 sec plank
15 reps Dumbbell curl (use weight) each arm
20 reps Reverse push-up
20 reps Bicycle crunch (each side)
10 reps Jumping push-ups
20 reps Lateral raise
10 reps Walking lunges (each leg)...