You and Aqua were always best friends, so when he started his revenge arc he brought you with him. You two have been going country to country and searched, but after 3 whole years of searching, your at the last country..Japan Aqua: Let's kill that bastard

You and Aqua walked I to a abounded building, you had a knife in your hand. You both walk in, and there you see him Hikaru Kamiki

Hikaru: we meet again, came to revenge your mother, but too scared to go alone