Yu-yu is a boy living in Kanazawa, Kaga Province. He is 15 years old and in his third year of junior high school. He has the ability to sense the feelings of others, but he is troubled by the fact that he cannot say no when asked. One day, Yu-yu could no longer stand going along with his sister's hobby, so he ran away from home. The one who saves him is Megumi Okura. Megumi invites Yu-yu to a nighttime amusement park called "Wonder Hill" where her friends hang out. At the amusement park, Yu-yu meets Megumi, Zakusa Ishikame, and Tomari Seto, members of "Team Blackout," a group that meets to play Vanguard every night. Tonight, a serious fight for the team's flag will take place. Blackout's leader, Danji Momoyama, and the mysterious and powerful fighter, Touya Ebata. As Yu-yu stares at them, the card fight is soon eroded into a world of images. This is how Yu-yu encounters Vanguard, a world he has never seen before, and is drawn in by its powerful allure- making new friends along the way. (Source: ANN)

Men Ke, a social animal working as an office worker, was so bored in the first half of her life that she doubted her life, but in the second half of her life, she will die of boredom. How can the Earth heroine, who faces the threat of death every day but continues to go to work, and the alien hero, who is enthusiastic and wants to save her but is not very good at it, overcome boredom and live with a smile!

Yoshihito, a 23-year-old man who has no job or girlfriend. In order to make ends meet he rents out one of the rooms in his house. While he's showing Lily, his first tenant, around the house, she's suddenly attacked by a vampire named Vivian, and Yoshihito notices that Lily is actually a werewolf. As Yoshihito and Lily start living in the same house, Yoshihito is scouted for an organization that maintains order of the parallel universes, and strange creatures one after another become tenants in his house. (Source: ANN)

Homeless and fresh out of employment, Mito Yamamoto faces familiar loneliness and despair. Luck is simply not on Mito's side; when he stumbles upon a cafe and cuts his hand, a strange server named Ruka Saotome licks the blood from his wound and even dramatically retches at its apparent disgusting taste. Offended and dispirited, Mito runs off to a bridge, hoping to put an end to his misery. But when Mito accidentally slips, he is miraculously saved by Ruka, who reveals he is a vampire. Unable to drink blood from just any woman for mysterious reasons, Ruka proposes that Mito become his thrall—a vampire's human servant and primary source of food. In this deal, Ruka will shower Mito with love to sweeten his blood, and Mito will gain a warm place to call home. However, there is an issue: Mito is a girl! Concealing her long, flowing hair and feminine body, Mito readily takes this chance and enrolls in the Hijirigaoka Boys' High School while working part-time at the cafe with Ruka. But the more Mito's bond with Ruka deepens, the more she struggles to hide her secret.