like specifically some one gets a "tutor"?
You mean like mafia? Or general shounen? Anyways, if you want the same fast-pace and comedic effects with shounen friendships, fights and all that jazz, I recommend:
http://www.mangago.zone/read-manga/nanatsu_no_taizai/
http://www.mangago.zone/read-manga/fullmetal_alchemist/
http://www.mangago.zone/read-manga/nurarihyon_no_mago/
http://www.mangago.zone/read-manga/fairy_tail/
Or if you like the mobsters theme:
http://www.mangago.zone/read-manga/tight_rope/
http://www.mangago.zone/read-manga/lucky_dog_1_blast/
http://www.mangago.zone/read-manga/omerta_kochou_no_yume_no_kate/
http://www.mangago.zone/read-manga/gangsta/
Don't forget to check Yoneda Kou's Reborn doujinshis! She makes the best Yamamoto x Hibari (●'◡'●)ﾉ
Any manga like Katekyo Hitman Reborn?