(A Mother's Love) Midnight's and River's Moon

Kiba has grown up and become the spirit of the moon, Tsukiakari. The Slender family and Shadow are trying to go on with life knowing that she will not be with them anymore. The only ones who wonder more about her though, is Midnight and River. Midnight is the daughter, and River is the son that Kiba had in secret from Slenderman. Both of them have grown up to be a strong young man and woman, and both continue to wonder who their mother is. On their birthday, River goes down to the lake and remembers his whole life, and keeps asking the questions about the mother he never knew. Will they ever find out what happened, and if they do, will it shatter both River's and Midnight's hearts....?