[Ohkami Ryosuke] TS Ryuugaku-ki Ch. 6 (COMIC Unreal 2017-04 Vol. 66) [English] [Decensored] [Digital]

Sole female indicates that a gallery features exactly one female character throughout the entire work. This tag is important for readers who prefer focused, intimate scenarios rather than group dynamics or harems. It doesn't imply anything about the number of male partners — a sole female gallery can feature one male partner (sole male) or multiple. The tag helps distinguish between different relationship dynamics and is commonly paired with tags like 'sole male' for one-on-one scenarios or 'multiple male' for gangbang-type content. In terms of narrative structure, sole female works often develop a single relationship or encounter in depth rather than juggling multiple characters.

Multi-work series indicates that a gallery is part of a larger collection of related works. These are typically chapters or parts of an ongoing story, character series, or thematic collection by the same artist. Readers looking for complete narratives can use this tag to find connected works. The tag helps distinguish standalone doujinshi from serialized content.

Incest (近親相姦) refers to sexual content between family members. In doujinshi, this commonly involves siblings, parent-child relationships, or other familial pairings. The tag covers both blood-related and step-family scenarios. It's one of the most common narrative frameworks in doujinshi, often used to create dramatic tension or taboo appeal. Related tags include 'sister,' 'brother,' 'mother,' and 'father.'