Balder is Loki's best friend since childhood, whom he cares very deeply about. Loki has said that Balder is special to him, and as a result Loki will do anything to save Balder from his fate as the God of Destruction, even if it means pushing him away from others.

Why does Loki want to kill Balder Kamigami no asobi?

Loki tells her about how he was ostracised due to his lineage and how Balder befriended him, therefore in order to save the world, he must kill Balder, to save him from the fate that will destroy him and everyone else. Loki breaks down at having to kill Balder and asks Yui what he should do.

Who are Lokis parents?

According to some sources, Loki is the son of Fárbauti (a jötunn) and Laufey (mentioned as a goddess), and the brother of Helblindi and Býleistr. Loki is married to Sigyn and they have a son, Narfi and/or Nari. By the jötunn Angrboða, Loki is the father of Hel, the wolf Fenrir, and the world serpent Jörmungandr.