"I'm not the older brother you once knew, Lumine. I've changed." It is a story where the traveler has an older brother. However, as they progressed through Teyvat, the traveler received praise and popularity throughout the many regions. However, her older brother was ignored and unfavored by many despite putting his effort into helping solve their problems. He tried to talk to Lumine and Paimon who tended to ignore him because they were busy. But one night, packing up his things would take him to another world where he would be appreciated more.
16 parts