We all take many actions that cause us to regret even fathoming them. However what happens when you do something that drowns you in guilt and regret, leaving you only to look forward to the day you depart? Itachi knew very well what happens, he experienced the result for practically his whole life. Additionally, what happens when the one person who idolized and cherished betrays you and your family so you're left with broken pieces and no choice but to avenge? Sasuke understood what occurs in this scenario, it started at the ripe age of 7. But all these experiences, all the mistakes that both boys made and all the regret that they felt, are able to be prevented and quelled due to a mishap of their family's dojutsu. It is through this experience that both boys learn how to deal with their regret and guilt. Through this, they both lead a journey to repentance. trigger warning: dark themes may be prevalent