Hakoiri Shoujo – Virgin Territory 1

At Sakuraya Academy, charming teacher Kannari Masayoshi secretly indulges in illicit affairs with his elite students, hiding his predatory nature behind a kind facade. When innocent Kirihara Yukino arrives, he sets his sights on her, carefully seducing her with false warmth. Their forbidden relationship escalates as Yukino surrenders to his calculated advances, caught between confusion and pleasure under his manipulative embrace, sealing her descent into his web of deception.