While I Was Sleeping, Oppa?

"While I Was Sleeping, Oppa?" is a short-form manhwa featured as part of Metatoon's Yongmang Danpyeonseon (Desire Short Story) Collection. This anthology series focuses on concise, mature narratives that explore complex interpersonal dynamics and hidden desires within intimate relationships. The story centers on a tense and provocative encounter between siblings, unfolding during a quiet moment when one character is asleep. As boundaries are tested in the stillness of the night, underlying feelings and unspoken tensions come to the surface, driving the narrative forward through a brief but impactful sequence of events. The work delivers a focused exploration of taboo attraction and vulnerability, characteristic of the Desire Short Story Collection's thematic style.