IMO: skip the extra at the end and just read the main story/couple
In a modern Japan where vampires and werewolves are commonplace in society, Kioi Uzuki runs a sharehouse with his grandmother. He’s super excited when they get their first vampire tenant, but their first meeting is a bit of a bumpy one. How will this shy and closed off vampire react to a bubbly enthusiastic all-things-occult-loving human who really wants to be his friend?
Sousuke is an attractive man from a good family and there’s no shortage of women willing to date him. Upon rescuing his grandfather’s jellyfish from a trip to the landfill, he finds a beautiful, mysterious, air-headed boy before him! What lessons in love could Sousuke possibly learn from a jellyfish?!
First couple involves a Shinigami~
Having lived as the second son of a temple, worshipped as a deity, and being a sheltered boy capable of transforming into a snake, Sei finally decides he's had enough of this life, and sets out to run away from home! Not being used to human society, Sei gets worn out and escapes to a grassy field where he meets and is helped by Murasaki, the reptile enthusiast college student. As the sheltered boy who longed to be "normal", Sei takes this chance to befriend the unfriendly and hard
Miki Donoue has been plagued by bad luck since childhood... Then, one evening, he encounters a mysterious, semi-transparent man who claims to live by consuming other people’s emotions. Is this merely a dangerous deception, or could this intriguing stranger change the direction of Miki’s life?
TW: Gore & Body horror
Makoto is referred to as a "deviant" because of his abnormal inclinations and has always suffered alone. One day, he half-heartedly used a "book for summoning a demon" and did a summoning ceremony, successfully summoning the Archduke of the Demon World, J, who has a majestic and beautiful appearance and could speak well. In exchange for his life, Makoto made a deal with J in order to make his hidden desires granted. Then, he was suddenly reborn as a
Majo no Inu