Death Guns In Another World - Chapter 1150 - 1068: Union 2

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.

What would you do if you found out you're really a dragon?What if you found out magic is real?What if the guy who just saved your life is actually really cute, has a big sword and runs a small business granting wishes?!Misha Long knew moving countries would be a big deal, but he had no idea how big until things start going wrong. Very wrong.But he isn't alone.By his side is the enigmatic Bran D'Arcy, magic master and sword slinger. For Misha, it's an exciting new world he's stumbled into.But for all the wonder and beauty in it there's a danger lurking in the magic, an old evil that won't just threaten him and those he loves, but the entire world.Oh, and he now has a tail.

Based on the popular Vocaloid series, by HoneyWorks, called “Kokuhoku Yokou Renshuu (Confession Rehearsal)“:

Natsuki, a third-year at Sakuragaoka High School, who holds unrequited feelings for her childhood friend, Yuu, who’s in the Film Club. However, instead of being honest about her feelings, she makes him be her confession “rehearsal” partner. Unable to say her true feelings, things start to get complicated when Miou and Akari, who are also in the Art Club, get involved! Will she ever be able to confess for real!?