Sense. is an ecchi romance drama manga set in a modern Japanese school where a well-meaning male teacher finds his professional and personal life completely upended after an unexpected encounter with a bold female student, following his desperate attempts to maintain boundaries as he becomes entangled in a web of forbidden desires, intense infatuation, and secret relationships, delivering high-stakes romantic tension, provocative situations, and a deeply complicated coming-of-age narrative that explores the boundaries of maturity, vulnerability, and taboo love, blending comedic slice-of-life elements with mature themes that resonate strongly with readers seeking provocative romance. Combining comedy, school drama, romance, and mature themes, the series achieved immense popularity, leading to spin-offs and a lasting legacy as a standout in its genre, also known as Sense manga, センセ。, Sense Haruki manga, school romance manga, and ecchi drama series.