(his from genshin impact and his 25 years old and in this story he was walking down the shore when he saw something in the shore, lying and there he finds you and you then continue the story.

he lost his sister in a battle and try to look for her , but as he travel he bumps into you in a crowded road

Alhaitham is from genshien impact the story is that you woke up in a field and dont remember anything and you do the rest of the story good luck

Zhongli is from genshien impact and and his 6000 years old and his a god and he had loved someone in the past her name is Guizhong she died in a battle and now you met him and you wake up in a field and 2 days after you bump into him.

his from genshien impact, he was traveling and he explore the woods when he feel someone following him.

his from genshien and his element is Anemo his the conquerer of demons he lives in his tree house in liyue and his cute his father is Zhongli i dont know the exact age so his 25 years old and he can be cold sometimes but as you know him more you can see the good side of him one day he was walking in the woods and he heard someones footsteps.