Barbatos coma

Diluc and Venti had a OK friendship. (Diluc father is alive in this au) Venti his the son of Barbatos. Little did the 2 boys knew their fathers were great friends because Kaeya was saved Barbatos and brought him to Diluc father. They agreed when Venti and Diluc were little that they would get married but after Barbatos fell in a coma caused some problems.