Blue Exorcist, Vol. 1

Many reviewers found the initial volume to be an excellent, engaging, and addictive start, hooking them immediately into the series. The art style frequently received praise for being lovely, detailed, unique, and effectively portraying character ages, contributing to a visually appealing experience. The protagonist is widely considered likable and well-characterized, with many appreciating his energy and relationships. A standout feature for numerous readers is the dynamic between the two brothers, noted for its interesting development and easy banter. The plot is described as intriguing, gripping, action-packed, and well-paced, offering good world-building and well-executed twists for a first volume, with some also highlighting the blend of action, comedy, and emotional depth.

However, some readers found the initial volumes to be merely "okay" or "decent," suggesting they did not immediately stand out. Critics mentioned the storyline feeling somewhat generic, relying on familiar shonen manga tropes such as a teenage male protagonist with an extraordinary lineage, a deceased parental figure, and a magic school setting. While the protagonist is generally well-received, some reviewers struggled to connect with other characters, finding certain relationships, including that between the brothers, to be occasionally cold or lacking warranted warmth. A significant point of criticism was the perceived lack of depth in some supporting characters, particularly female characters, who were sometimes described as conforming to shallow tropes and lacking the compelling drive seen in their male counterparts. Additionally, a few readers found the portrayal of religious mythology to be culturally inaccurate or simplistic, and some felt the manga's initial world-building was less developed compared to its anime adaptation.

Despite some recurring criticisms regarding generic tropes and character depth, the overall sentiment for the series remains largely positive, with many readers becoming "hooked" and eager to continue. The series is particularly recommended for fans of action-packed shonen manga with strong character dynamics, engaging art, and a blend of humor and emotional moments. It would appeal to readers who enjoy stories about supernatural battles, personal growth, and sibling bonds. Newcomers to manga might also find it an accessible entry point, though readers seeking profound originality or deep, complex explorations of religious themes might find certain aspects less satisfying.