This is the visual diary of Kiitarou's experience with youkai. He's a boy with a very strong spirit sense, but when he entered a forbidden storehouse, he was kicked out of his home. He soon found a new place to live, where he met a zashiki warashi (house spirit) named Suzu. He and Suzu soon began to attract all kinds of spirit creatures, starting with a nurikabe (appears as a wall that impedes travelers) and mokumokuren (appears as eyes in a torn paper wall). What kind of folkloric creature will he meet next? (Source: MangaHelpers)

Unsuspecting inhabitants of the planet Earth are going about their business, enjoying a bright and particularly beautiful sunny day, when a young Japanese boy spots a shiny object falling from the sky... Has an alien invasion finally begun? Elsewhere in Japan, Keroro, frog sergeant and leader of the Space Invasion Army Special Tactics Platoon of the 58th Planet in the Gamma Planetary System, has discovered the perfect hideout. He infiltrates the home of the Hinata family in an attempt to establish a headquarters that he and his troops could use to prepare for world domination... but earthlings Fuyuki and Natsumi Hinata are too much for him to handle! Natsumi instinctively calls them out of hiding, leaving the hapless sergeant no option but to reveal his secret identity. The two siblings soon welcome the sergeant to their home, all thanks to Fuyuki’s generos—err... curiosity. The Sergeant has successfully infiltrated his first target area! Or has he? Join Keroro Gunsou in his dastardly attempt to take over the world!

Ray is a young wunderkind inventor living in Victorian England. His life is turned upside down when he receives a special package hailing from the United States, sent by his grandfather, Lloyd Steam. The package contains a device called a Steam Ball, a device so powerful that it can drive any machine that requires steam with a nearly limitless amount of energy. Ray is instructed to not let the Steam Ball fall into the wrong hands, which include the mighty O'Hara Foundation, who desperately want to bring the Steam Ball back into their control so they can achieve their less than noble goals. He will need to use every bit of his brilliance in order to dodge the countless goons that are sent to snatch the device from him. It will be a battle between good and evil, a battle for redemption, a battle for the future!

Hana, Hinata, Noa, Koyori, and Kanon are always good friends. Today, they are having a friendly sweets party at home with Miyako's homemade sweets! The flower-shaped cookies look just like the hair ornaments worn by Hana. The hair ornament was a precious treasure that Hana received from her grandmother when she was little, and everyone was intrigued by the story. And as "practice for the school trip," they decide to go visit Hana's grandmother's house...! The "first" outing for everyone is about to begin.