Dwaeji Delta Seonsaeng

Han Ki-Ju has lived the life of a flawless, dominant Alpha, wanting for nothing. One day, while visiting the slums of Mi-Ju, Ki-Ju meets “Teacher Delta,” a phenotype transformer, and suddenly asks him to transform his body into that of a perfect Omega...

“Then please masturbate. Right here, right now.”

(Source: MrBlue, translated)

Note: Includes two extra chapters.