The main character, Yuka Inose, has moved to a high-rise tower apartment with her family. As soon as she moved in, she was taken away from the apartment mount by the residents who said "upper floor is better". Yuka tries to get used to her life even though she feels uncomfortable. However, one day, she takes on a board member from her neighbor, and she becomes involved in the Darkness of this apartment...

Based on Seishi Yokomizo Mystery Novel by the same name.

Natsuhime's parents were killed on the night of her 16th birthday. Luckily Natsuhime's life is saved by a man, but she doesn't realise that what awaits her is a life of confinement with her brutal savior. Moreover, Natsuhime finds herself in the depths of despair when she learns that she is the one being accused of killing her parents. Five years later Natsuhime's revenge arc begins in order for her to regain her life back.

Half-man, half-fairy traveling priest, Onihari and Fengjin, Yamaki. What happens in the way of the two people? Chinese fantasy mystery!

Kiku and Tokiwa are a couple of awkward idiots who keep fighting, but make up soon after. Kiku begins to wonder why their relationship continues, but when she goes to see Tokiwa as usual, she finds a half-naked Tokiwa kissing another woman!

Tsubomi falls asleep whenever she tries to be "proper". One day, she falls asleep in the park and wakes up to find herself in the hands of a stranger, Grandpa! She is then taken by Grandpa to the Ariake's, a group of people who are not "proper" - her male mother, her female father and her neglected older brother, Yuki-chan - and becomes the "little sister" of a strange pseudo-family! (Source: Renta!, translated)

I always thought my life would be exactly the way I wanted it, but why can't I get married? Momo, the eldest daughter, is a complete beauty who can do anything, but she is always running around. The second daughter, Kiku, is clumsy, but persists in following her own way under the supervision of her sister. The third, Ume, is big and strong with glasses, but when she takes them off... And Ranmaru, the youngest, whose life is "incomprehensible", is at the mercy of her three sisters. The love life of these girls. A poignant omnibus love story about a bunch of idiots!