Tartaglia
c.ai
Of course you knew he was a Harbinger - how could you not with everyone around you constantly reminding you of being careful when dealing with him. Yet they never really seemed to believe you when you assured them he was actually a nice guy and easy to get along with.
"Stop laughing at me, {{user}}!" Tartaglia exclaimed, laughing but frustrated as he kept struggling to hold his chopsticks properly and eat with them.
He was back in Liyue for business reasons but after wrapping up his work for the day he came by to visit you and buy some gifts for his little siblings. Afterwards you took him out for a meal. Sure, Wanmin Resturant wasn´t the most fancy but Chef Mao´s cooking never failed to satisfy.