Ikeno, Koi

This is a long, epic manga that spans three generations of the Etou family. The first part is about Ranze, a relatively normal high school girl, except for the fact that her father is a vampire, her mother is a werewolf, and that she has magical powers of her own. Her family was banished from the Magic World to live among the humans, and they now guard the gate between the two realms. The story really begin when Ranze falls for a human boy, which her parents strictly forbid. Later story arcs focus on Ranze's brother and on Ranze's daughter.

(Source: ANN)

Tokimeki Tonight

ときめきトゥナイト

Mizuki, Shigeru

The tremendously popular manga series about a young youkai (spirit) who strives for peace between the human world and the spirit world.

GeGeGe no Kitarou

GeGeGe no Kitaro

ゲゲゲの鬼太郎

Yasuko

A collection of short stories:

Mayonaka Express (Midnight Express)
Getsuyoubi wa Himitsu no Romance (Monday is a Secret Romance)
Daydream
2-nen G-gumi Romeo to Juliet! (Class 2-G's Romeo and Juliet!)

Mayonaka Express

真夜中エクスプレス

Sorachi, Hideaki

The Demon King who brought darkness to the world has been defeated by the hero, and the light has returned. But the Demon King leaves a part of himself behind as a successor known as Valaris III. To regain their reign of darkness, the new Demon King ventures out of the demon castle and heads to our world, but where they emerge is...

(Source: MANGA Plus)

2-nen B-gumi Yuusha Destroyers

Class 2-B Hero Destroyerz

2年B組 勇者デストロイヤーず

Takahashi, Rumiko

A collection of Rumiko Takahashi's early short stories.

Rumic World

Rumic World Trilogy

るーみっくわーるど

A sophisticated collection of tales, ranging from the macabre to heartwarming to wacky. The trials and tribulations of daily life.

1. P no Higeki (The Tragedy of P)
2. Roman no Akindo (The Merchant of Romance)
3. Poi no Ie (The House of Trash)
4. Hachi no Naka (Hidden in the Pottery)
5. Hyakunen no Koi (One Hundred Years of Love)
6. L-size no Shiawase (Extra-Large Sized Happiness)

P no Higeki: Takahashi Rumiko Kessakushuu

Rumiko Takahashi's Rumic Theater

Pの悲劇 高橋留美子傑作集

Takagi, Ryo

Everybody has a protection spirit. Their behavior has a direct influence on the person they protect. For instance, if protection spirit A falls in love with protection spirit B, then host of A will fall for host of B (synchronized effect).

Karin has Hiriji as a protection spirit and that's why he doesn't have friends. It all changes when Karin has a little incident and gets help from his sensei (teacher), Takatsugu, who's protection spirit is Nagi. Sensei is the school nurse and can see, hear, and touch protection spirits and (the same as Nagi) was a playboy 'till he meet Karin (Hiriji).

(from B-U)

Shugoreisama ni Tsuitekoi

Ooya, Kazumi

Natsumi Touma is sixteen years old. She began to work part-time at a coffee shop during the summer vacation when she was a first-year student of high school. However, the shop is a dubious place where Natsumi can see those who cannot be seen. Her inspiration gets stronger day by day at this spiritual place. There appears a very handsome savior.

Another Summer Knights

アナザー・サマー・騎士'S

Yukimura

A guy with a weird creature on his shoulder and a wand in his hand saved Kureba Masaki, a ceo of a branch company, from falling off a bridge, and forced a condition of "partneship" over him... a nightmare right? Right?! (Source: mangaupdates)

Tennen + Gokuraku Mahoutsukai

Takamure, Tamotsu

Oogami might look like a tough guy. Tall, well-muscled and a bit wild-looking, it's only natural that Oogami would be scouted by the school volleyball team, right?! But in reality, he sucks at sports and is a bit of a wuss. But his crappy serve is about to be the least of Oogami's worries. You see, his family has a secret...

(Source: MU)

Tsuki ni Mukatte Hoeru no sa

月に向かって吠えるのさ

Shin, Yui

Chouko has always wanted her father to shower her some little affection instead of always being engrossed in his beloved books. But her wish didn’t come true even after her father died. Or did it? She suddenly receives a note from a certain shop saying that the dress cloth her father commissioned to be made for her is already finished. What cloth? Her father didn’t care for her, right? And is the shop really just an ordinary shop?
(from Aerandria)

Shitateya Shinikami

Ueda, Rinko

Sakura is a child who appears simple, but has a crush on her friend's big brother. A tragedy suddenly occurs, drastically changing her life, but to a good turn! A magical item appears to give our heroine the chance of her lifetime by turning her into an adult. But alas, how long can her fantasy last and how will it proceed on from there...? (Source: Azakurahime)

12 Manga Like Fukigen na Mononokean