Since childhood, Baek Yeonhwa’s heart belonged to only one man: her fiancé, Choi Hyun. But following their long-awaited wedding, the gentle boy she grew up with vanishes, replaced by a stranger whose intense, predatory gaze leaves her trembling. Her worst fears are realized when she discovers a dark truth: Hyun’s body has been hijacked by a powerful spirit named Mooyeong. Terrified and confused, Yeonhwa struggles to unravel when her true love disappeared, or if he ever existed at all. Yet, even as her mind breaks under the weight of the deception, Mooyeong’s suffocating obsession with her only grows stronger.

One day while Shirou was delivering a secret weapon to his colleague, he met Amane Mao, a super strong girl who is capable of lifting cars. Before they knew it, an ERROR, a monster that struck Old Tokyo 14 years ago, reappeared and started on a rampage. While he was arguing with his colleague over the use of the super weapon to save civilians, his colleague was blown away and died. Faced with death, Shirou had no choice but to combine with Mao with the super weapon and destroy the ERROR.

Kanata Tsukishiro’s dead twin sister frequently takes possession of him, and so he asks Yumeto Ookawachi, who his sister had a crush on before she died, if he would help her to pass on.

A demon exterminator is sent to a school by the secret organization Ark where she finds a person compatible of becoming a fusion type fighter.

This is the story of a boy who one day walks into some strange wood and is saved by a nymphomaniac goddess who can not only take over his body (turning it into hers in the process) but can also transform him into a girl.

Urara would really like to be a normal high school girl, but her mad scientist older sister and mother make this a difficult goal. For their latest experiment, they’ve fused Urara’s neighbor and childhood friend Takaharu into Urara’s body. After discovering this, Urara destroyed some of the experimental apparatus in a fit of rage, leaving them stuck with each other for the time being. Takaharu is a high school graduate who sells erotic manga while waiting to retake his college entrance exams. Takaharu takes over Urara’s body when she falls asleep or passes out, and, to Urara’s embarrassment, has been using it as source material for his manga. Will the two of them be able to deal with sharing a body until Urara’s family can put things right?