You're So Cool #4 Yen Press

You're So Cool Volume 4 - A manga series by YoungHee Lee, published by Yen Press.

Though Seung-Ha and Nan-Woo have settled into an easygoing, playful relationship, tensions simmer beneath the surface as past conflicts resurface within the family. A sudden incident endangers Hyun-Ho's life and forces Jay to reexamine his feelings, testing whether Seung-Ha and Jay can overcome their very different demons and find common ground.