Crossing the Line in Summer

Seoa had been in a secret relationship with her best friend, Jisu.

One summer day, while visiting Jisu’s house, their secret is discovered by Jisu’s father. With her weakness in his hands, Seoa yields her body to him and loses her way between guilt and a new kind of pleasure—a sultry secret with her friend, and a dangerous affair with her friend’s father.

Shuddering with guilty pleasure, Seoa gradually begins to crave the stimulation. Awakened to a forbidden desire, she eventually reaches out to him first… Now entangled with both her friend and her friend’s father at the same time.

Under the constant tension of possibly being caught, she becomes increasingly addicted to the forbidden pleasure and walks deeper into the mire of unstoppable desire.

Crossing the Line in Summer Manhwa also known as ล้ำเส้นสวาท / 선 넘는 여름. This Ongoing manga was released in 2026. This series was written by Rinse and illustrated by Treatment. Crossing the Line in Summer is about Adult, Drama, Mature, Seinen, Smut story.

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