"If Witch, Then Which?" is a manga series that blends elements of fantasy, romance, and mystery. The narrative centers around a young man named Haruto, who finds himself entangled in a magical predicament after encountering a mysterious witch named Lilith. Lilith offers Haruto a deal: she will grant him the power to see the future, but in exchange, he must help her complete a series of tasks. These tasks are tied to a larger, enigmatic goal that Lilith is pursuing, though her true intentions remain unclear.

As Haruto begins to use his newfound ability, he discovers that seeing the future comes with significant consequences. His visions often reveal unsettling or tragic events, forcing him to grapple with the moral implications of intervening or letting fate take its course. The story explores themes of free will, destiny, and the ethical dilemmas that arise when one has the power to alter the future. Haruto’s interactions with Lilith grow increasingly complex as he learns more about her past and the reasons behind her quest. Their relationship evolves from one of reluctant partnership to a deeper, more nuanced connection, though it is fraught with tension and mistrust.

The series introduces a supporting cast of characters, each with their own ties to the magical world. These include other witches, magical beings, and individuals whose lives are affected by Haruto’s visions. The plot weaves together multiple storylines, with Haruto and Lilith’s tasks often intersecting with the personal struggles of these characters. The narrative maintains a balance between episodic challenges and an overarching mystery, gradually revealing the true nature of Lilith’s goals and the origins of her powers.

The manga’s pacing is deliberate, with a focus on character development and the gradual unraveling of its central mysteries. The interplay between Haruto’s human perspective and Lilith’s enigmatic motives drives much of the tension, creating a dynamic that keeps the story engaging. The series also incorporates moments of humor and lightheartedness, providing contrast to its more serious themes. By blending magical intrigue with emotional depth, "If Witch, Then Which?" offers a compelling exploration of the complexities of power, choice, and human connection.