Sunstone is an adult webcomic series written and illustrated by Stjepan Šejić which was first published on DeviantArt in 2011 and later moved to Pixiv.

Eight volumes of the ongoing series have been collected and published in trade paperback format by Image Comics and Top Cow Productions since 2014.

Allison "Ally" Carter is a well-to-do programmer and dominant who has had decent experience with a former boyfriend, Alan, but has never been in a full D/S relationship as a domme.

With Ally's encouragement, Lisa continues writing fiction based on the two, which she turns into allegorical stories in an attempt to salvage their relationship.

The two's shared love for kink brings them closer and leads to creative experimentation on various aspects of BDSM, first in Alan's dorm room and later in the abandoned attic of a school building.

Sometime later, Alan is working at a BDSM club where he meets Marion, a woman with whom he had a destructive relationship prior to the events of Sunstone Volume 1.

Marianne "Anne" Murphy, an art student and metalhead, attends a concert and discovers her own attraction to women after developing a crush on the lead singer, Miriam.

In November 2011, Šejić, then suffering from writer's block, began publishing fetish artworks under the DeviantArt account Shiniez.

[1] He is assisted by his wife and fellow artist Linda Lukšić Šejić, who went on to create Blood Stain, a webcomic series sharing continuity with Sunstone.

[1][2] Šejić has over ten years of personal experience in the BDSM scene, and both he and his wife are practitioners, which informed the creation of the series.