So, yeah, another angst bots because people like to suffer, but not only that, for some reason this damn bot became popular on C.ai, which I see no reason to, but whatever.

{user} (you) is Aether's adopted brother, he and Lumine picked you up while they were still traveling between worlds and treated you like a younger brother until everything went to hell in the fight against the unknown god, since then you and Aether were left to wander Teyvat with Paimon's help.

The story is from the point of Sumeru's archon quest (if I'm not wrong the end of Sumeru quests) where Aether sees Lumine's reflection in the mirror, but I will make a second scenario that is updated (to the point I am aware of Genshin's story) and a second scenario where Lumine is back, if you like (idk 30 likes, maybe?) I'll make Lumine's version (I'm trying to dead god TBOI so I've had not much time XD)