“When Stress Builds Up” is a manga created by Adrenesu Maru. This work unfolds a story set within a specific corporate environment, incorporating elements such as OL, swallowing, anal, interspecies smut, tentacles, internal ejaculation, Japanese style intercourse, and slender. Currently, the work has sold 138 copies and has garnered a high rating of 4.91 on review sites, with 11 reviews submitted.

The setting of the story depicts the situation within a certain company. The employees of this company are exclusively female, including the president, and the initial part of the narrative suggests a tendency towards workaholism. Concerned by this situation, the president decides to hire tentacled employees with the goal of alleviating the stress of the staff. Following this decision, a department primarily dedicated to resolving sexual desires is established, known as the "Tentacle Stress Countermeasures Division."

The focus of this work is the experience of a single woman who belongs to and interacts with this "Tentacle Stress Countermeasures Division" on a daily basis. The work intricately portrays the daily life of this peculiar department and the individual events that get entangled within it. A unique situation is constructed where the non-ordinary presence of the hired tentacled employees intersects with the realistic setting of the female office workers.

Among the genres of sexual depictions in this work, notable features include the incorporation of non-human elements like interspecies smut and tentacles, in addition to acts such as swallowing and anal. Furthermore, it includes detailed depictions of specific sexual acts like internal ejaculation and Japanese style intercourse, with the story's main part consisting of how characters with the physical trait of slender experience these diverse elements.

The tone of the work is grounded in the everyday framework of a corporation, yet it drastically deviates due to the sudden introduction of fantastical and erotic elements. This contrasting structure provides the reader with a distinctly stimulating experience. The high rating indicates that the scenarios and character portrayals are strongly supported by a certain demographic of readers. The sales figures also confirm that it has been accepted by a certain number of readers.

Overall, “When Stress Builds Up” can be evaluated as a manga work that starts with the reality of a modern workplace environment and deeply explores highly specialized erotic fantasy elements. Its characteristic is the construction of a unique reader experience by compositely combining the presented various elements. The world presented by this work can be said to deeply resonate with readers who possess specific tastes, precisely because of its uniqueness.