Ulgehasoseo

Ju-Han is a devout deacon who regularly volunteers at an orphanage where Seong-Mi resides. Drawn by curiosity, Seong-Mi visits the church, only to stumble upon a shocking sight—Ju-Han, the very picture of restraint and virtue, consumed by his own forbidden desires, punishing himself in secret. A dangerous temptation begins to take root.
(Source: Lezhin US,edited)