When using Naruto, go to Pervy Sage Training 1 mission. In battle preparation screen, select ninja tools, hold down R press A then press Y. You will be rewarded with 258 EXP. Exit to the map and repeat again for more EXP. Note: This trick only works at Naruto Pervy Sage Training 1.
Rock lee exp glitch
Ive only done this in the but ive noticed it only works with rock lee what u do is get sparrow blood burst, eyebrow shiriken, sexy justu, shiriken at max level from skill than get poison shiriken than back over skill press A than B down over weapons A than A again u get 100 exp than just keep on repeating.