Elemental Ice and Water spirits

Woo! Ice and water spirits, I like these two, But I dont know if they should be brother and sister or lovers. I dont know what to do next, But Ill work on them later, tomarrow or this week~ <3


My other spirits:

Monocromatic and the Color Pallette: [link]
Fire: [link]
Ice and Water: You are here!!!
Four seasons: [link]
Winter: [link]
Spring: [link]
summer: [link]
fall: [link]