Peaceful human society is threatened by monsters called fears! In such a world, No. 28, a fear fascinated by human life, lived quietly as a human, but……?

In Tokyo, suspicious cases are occurring where the victims have all of their blood drained from them. Mikogami Keiji, a detective who also wants revenge for his lover, killed 10 years ago, pursues the culprit, the “Man with two faces”. What is the identity of the silver-haired girl who observes him…? ___ **Assistant:** [Hoshikawa Danpa](https://mangadex.org/author/3814dd6f-c7b9-4ced-a9ee-a393eb4c06a7)

An anthology commemorating the anime adaption of Himouto! Umaru-chan, published in Weekly Young Jump starting from the 31st issue of 2015. All five installments were released in print as part of [Himouto! Umaru-chan S](https://mangadex.org/title/63e00bb1-6325-47a6-a89a-97efc06571ba). It features guest works of other Shueisha authors: 1. The first chapter「伸縮妹！うまるちゃん」- "Shinsukuto! Umaru-chan" ("shinsukuto" is a made-up word, [translating roughly to "elastic little sister"](https://mangadex.org/chapter/093599f5-ac91-4af8-aea5-b370dd8d3d11/4)) from [Onigunsou](https://mangadex.org/author/e00c7b8b-7e11-41bb-980b-d357cf4094b0), the author of [Mononogatari](https://mangadex.org/title/dc5b9e42-1840-4307-998d-e0dfcfe2b9e6) 2. 「野生妹！うまるちゃん」promoting [Sugito Akira](https://mangadex.org/author/9c0541f7-87b0-4105-bce0-26af8371ad6e)'s [Boku Girl](https://mangadex.org/title/5927e373-f024-42ad-9307-6f4c05ea3fc4) 3. 「半端妹！うまるちゃん」- "Halfway Sister! Umaru-chan" by the author of [Maousama Chotto Sore Totte!!](https://mangadex.org/title/24d84d4c-340d-4b31-87f6-71d7e5d649d7) [Haruno Tomoya](https://mangadex.org/author/c124b14c-37a1-4fd4-80a1-6c2e29d89e80) 4. Labelled "inofficial", 「干物妹！うまるちゃん大好きおじさん」by [Forbidden Shibukawa](https://mangadex.org/author/8d449c9c-bf54-442e-ab0b-0f1e9905245d) 5. 「悪夢妹！うまるちゃん」a crossover with [Nightmare Funk](https://mangadex.org/title/ec67065e-68d9-470b-bc5e-f2dde2ce4b18) by [Takemura Youhei](https://mangadex.org/author/453efeec-2aa7-4ebd-925f-d72dcbe5211b) which was also included in the third volume of the series.

Mizuki gets confessed to by a boy in front of a special mirror. Legend has it, that if you confess to someone you like in front of that mirror your wish comes true. There is a slight problem in this equation: Mizuki is just a very feminine looking boy. Also, it seems that he caught the attention of the Norse Trickster God, Loki, while glancing into the mirror. Loki decides out of boredom to mess with Mizuki and turns him into a real girl.

Oneshot manga by Boku Girl's mangaka.