A woman challenges herself to push her limits.

Kim Ji-Su is a hotel housekeeper who can uncover guests’ secrets by reading the “stains of memory” left behind in their rooms. Using this ability, she runs a side business spying on guests’ private lives and blackmailing them. One day, while cleaning the room of a guest named Yeon-U, who had particularly caught her eye, she comes face to face with a memory she should never have seen. (Source: Naver, translated)

A complementary manga following the perspective of Yukina Kou. *Note: The chapters are later individually compiled into the volume releases of Sekaiichi Hatsukoi .*

Second tier actress, Mu Shi Shi, was transported by accident back to the dynasty era and became the ugliest eldest daughter in Lingyun's state minister's mansion, then inexplicably got an arranged engagement with a handsome prince. However, with the other sister's schemings, the prince's tactics and the enemy nation's plots, how can their married life be peaceful? **Original Webtoon:** [AC.QQ](https://ac.qq.com/Comic/ComicInfo/id/648101), [BiliBili](https://manga.bilibili.com/detail/mc28329), [KuaiKan](https://www.kuaikanmanhua.com/web/topic/7181/)

An anthology by various authors and artists.

First official Touhou book released on August 11th, 2005. The collection includes 9 comics.

The amnesiac protagonist, Yuma, wakes up at a train station and discovers through his luggage that he is a detective working on a case. Yuma heads for "Kanai Ward," where he was supposed to investigate the case with the Shinigami who haunts him. However, an incident occurs on the train they are on...?