Since its launch in 2018, Ullu App has carved a distinct niche in India’s crowded OTT market by producing soft-core erotic content targeted at small-town and metropolitan male viewers. Charmsukh (2020–present) remains its flagship franchise, each standalone episode exploring a taboo relationship or situation. Charmsukh (Train) (S01E04, 2021) uses a long-distance railway journey—a quintessential Indian public space—as the backdrop for an extramarital sexual encounter between a bored housewife and a male stranger.
The success of Charmsukh in 2021 highlights a significant trend in Indian media consumption: the rise of "guilty pleasure" viewing. The anonymity of a personal smartphone screen allows viewers to explore content they would never watch in a public theater. The viral nature of the "Train" episode, particularly through snippets shared on social media and meme culture, cemented its place in the pop culture of that year. charmsukh train 2021 hindi s01 ullu web serie full