H

"H" is an adult manga anthology comprising intense and explicit erotic stories across three volumes released between 2004 and 2016. The series features a wide array of mature themes, including bondage, group encounters, and extraterrestrial scenarios, presented with minimal censorship. Designed for readers seeking unapologetically rough and hardcore erotica rather than gentle romance, the collection delivers provocative narratives tailored to mature audiences. The first volume introduces eleven chapters centering on characters such as Yuna Ichinose, Teacher Momoko, and various scenarios ranging from public transit encounters to bold summer advances. The second volume expands the roster with seventeen stories focusing on diverse female leads, including company presidents, secretaries, nurses, gravure idols, actresses, and royalty, each navigating highly explicit situations. The third volume concludes the anthology with thirteen chapters that explore further varied dynamics. These include tales involving teachers, nuns, nurses, superheroines, alien entities, prison guards, students, and corporate executives. Across all volumes, the manga maintains a consistent focus on delivering uncompromising adult content through distinct character studies and standalone episodic plots.