During the Light Team's meeting, he rushes off after Natsu Dragneel into the woods and towards Oración Seis' presumed headquarters, without even a plan of attack. Seven years later, Lyon sets his eyes on Juvia Lockser for the first time, and falls in love with her immediately.

Does Juvia love gray or Lyon?

Juvia's love for Gray is true, as shown when Meredy was able to use Maguilty Sense on her and Gray, a spell that can only work which depends on the strong bond between two people. Erza mentions that this is Juvia's true power (her strong feelings for her love). She has also sacrificed her life to save his.

When did Lyon fall in love with Juvia?

In X791, Lyon fell in love with Juvia that was interested in Gray, making her confused and divided between the two Ice Mages.