Ibsuli Dahgikkaji

Seo-U Jeong (Sebastian Jung) was the hottest teacher, that is, until I-Geon Han (Isaac Han) arrived. Tall, intelligent, and beautifully brooding, I-Geon has it all and Seo-U knows this all too well. In the past, they had shared a sultry after school romance. Now, I-Geon is back. Can Seo-U resist falling for I-Geon again or will his lips yearn for his touch?

(Source: Tapas, edited)