When a mysterious boy who always holds a black book in his hands sleeps, he dreams grotesque things.
Source: MU
I, The Nightmares, and My Big Sisters has finished publishing and it has 16 Chapters. It is also Known as: 僕と悪夢とおねえさん, Boku to Akumu to Oneesan
Genres: Comedy , Ecchi , Horror , Mystery , School Life , Shounen , Supernatural , Psychological , Romance , Ghost , Demon
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Top 5 Manga Like I, The Nightmares, and My Big Sisters (Boku to Akumu to Oneesan) [2025 List]
5. Namae no Nai Kaibutsu: Kumo to Shoujo to Ryouki Satsujin
Monster spider with the ability to take the form of whoever it eats takes cute girl's body and NTRs MC's girlfriend. At the same time, a string of murders are plaguing the town and he begins to wonder whether the murders and the spider are connected.
The Nameless Monster: The Spider, the Girl, and the Grotesque Murders has finished publishing and it has 39 Chapters. It is also Known as: 名前のない怪物 蜘蛛と少女と猟奇殺人, 名前のない怪物 蜘蛛の聖餐, The Nameless Monster-The Spider, the Girl, and the Grotesque Murders, Namae no nai Kaibutsu - Kumo to Shoujo to Ryoki Satsujin
4. Akuma na Eros
Miu Sakurai, age 15, attends a Catholic school where she prays every day for her admired Shion Amamiya to return her love. When that doesn't work, she places her faith in a book of magic and tries casting one of its spells. However, it's not love that manifests... it's Satan! "The recompense for the contract to grant your wish is your virginity," he tells her, and this is Miu's virgin crisis!
Included one-shots:
Volume 4: Satanic Honey and Satanic Cohabitation
has finished publishing and it has 17 Chapters. It is also Known as: 悪魔なエロス, Virgin Crisis, Satanic Honey, Satanic Cohabitation
3. Hiraheishi wa Kako wo Yumemiru
It details the life of a mid-rank soldier who died at the very end of the war against the Demon Race. Fortunately for him, he wakes up to find that he's a baby again, in the embrace of his real mother, years in the past. Determined to avoid the chain of tragedies that took his beloved ones away from him, he takes advantage of the advancements in swordsmanship and magic that developed during the war (as we all know, wars are when many scientific breakthroughs tend to happen), and tries his best to prepare for the demon invasion as well as strengthen himself with maximum efficiency.
Hiraheishi wa Kako wo Yumemiru has finished publishing and it has 62 Chapters. It is also Known as: 平兵士は過去を夢見る, Hiraheishi wa Kako o Yumemiru
2. Defense Devil
Mephisto Bart Kucabara is a devil lawyer. In order to return to the demon world that he was exiled from, he needs to collect enough Dark Matter. To do so, he creates a plan to claim the Dark Matter from the souls of sinners sentenced to hell; prove the soul's innocence and the Dark Matter becomes his.
But how can he gather enough Dark Matter when his kind personality causes him to continually use it up in order to defend the soul from the Shinigami that has come to take them to hell?
From the authors of the popular series Shin Angyo Onshi.
Defense Devil has finished publishing and it has 100 Chapters. It is also Known as: DEFENSE DEVIL, Defence Devil
1. Nidome no Jinsei wo Isekai de
All of a sudden, out of nowhere. "Renya Kunugi, you have passed away!" So said the young girl who styled herself God. Apparently, Renya Kunugi the protagonist had lived long and prospered. His life already came to a peaceful and fulfilling end, but at the request of Her Holiness, he was transported to an alternate world to start a new life as a young man. Thus did Renya, who was definitely your average everyday guy, end up fighting off bandits and vanquishing monsters. Eventually, after his successively blossoming talents coalesce into a force of sheer awesomeness, he will go on to leave his mark upon this alternate world.
Note: Includes 6 extra chapters.
Second Life in Another World has finished publishing and it has 55 Chapters. It is also Known as: 二度目の人生を異世界で, [New Life+] Young Again in Another World
