The Measure of Our Torment (слэш)

Ten years ago, Severus Snape's world fell apart. Can a returning Harry Potter put it back together again?
An illustration for this story can be found at : http://ntzsch.deviantart.com/art/Junk-food-in-the-shop-410268170
And I just discovered another illustration at : https://zarkir.deviantart.com/art/Unexpected-visit-336535862 (May 27, 2018)