The last Moon Rabbit Transformer, Luna, in an effort to preserve the dwindling Moon Rabbit bloodline, infiltrated the Frost Tooth Wolf stronghold and deliberately approached the heir of the clan, Kael. She laced a drug during the Aurora Festival and abducted Kael, who had not yet completed the Frost Blood ritual and was unable to enter into a marital contract. She imprisoned him in an ice cave and initiated a one-year "Mate Training Program". During their interaction, the two developed feelings for each other. After Kael completed the Frost Blood ritual, the two completed the bloodline contract, and Luna gave birth to six hybrid cubs. The cubs were divided into two groups: three inherited the wolf's claws and had strong physiques, while the other three had a stronger Moon Rabbit bloodline and were inherently weak. Luna was misled by the stereotype of the wolf cubs being inferior and wrongly believed that Kael would abandon the weak cubs. She led the three little rabbits out the next night and raised them alone in a warm valley for three years.
Three years later, the cubs grew impatient with the high temperature and were on the verge of death. Luna disguised herself as a fox and returned to the stronghold to search for the life-saving Frost Heart Berries. She fell into Kael's trap. Kael revealed the truth: He touched the cubs at night to transfer his own frosty energy to stay alive and had never intended to harm the children. Luna felt guilty but still wanted to escape from th
