Sora Hashiba is the main protagonist of the Sukisyo series. He is a high-school student and part of the "School-Do-It-All's" club, the Jack Of All Trades, which he and Sunao Fujimori were dragged into by their friend Matsuri Honjou. He has a second personality inside of him named Yoru, which he created when he was a child in order to help him endure the painful tests run by Aizawa.
At the isolated all-male boarding school of Kanenone Gakuen there are no females for miles but the school board has begun talks to merge with an all-girl boarding school, in hopes of becoming a co-ed boarding school.
Amano Sakogami is a girl who has an unnatural amount of bad luck. One day, she stumbles into the clubroom of the Better Fortune Research Organization, which consists of a boy and seven other girls who secretly use the power of the luck deities to fight against the Magatsugami, monsters who can affect a person's luck & well-being.
A 15-year-old Hitotose Chitose moves out of the orphanage back to his vacant parents' house and finds himself very alone and unhappy. But when five of his female high school teachers decide to move in with him to become his new mamas, he learns that the chaos of their constant attention and concern change his life for the better, if only to teach him about the very special meaning of being part of a family and enjoying a quiet moment.
Each of his new mothers has something special to share with him; an artistic cosplay princess, a nurturing supportive homeroom mother, a rowdy athletic sports fanatic, a priestess (sword miko) high school nurse mother, and a quiet secretive (possibly mad) science teacher/mother. These five adoptive mothers accept not only Chi-kun, but also his two sisters...
The Krakozhia Dukedom and the Grania Republic are at war, and high school student Sōhei Yano wants no part of it. But when two Lieutenants show up in tanks at his door, his life becomes an exercise in dodging stray bullets!
In the midst of Shouwa era Japan, greed runs rampant through the bustling cities and communities of the nation. King of Hell Enma Daiou summons an envoy into his office in the form of a small boy named Kurayami Santa. Through Enma's debriefing, Santa learns that the amount of greed and selfish behavior produced by humans will soon create an enormous wave of souls entering into Hell simultaneously, which would be catastrophic for Hell itself.
Santa is given one mission: do something about it. With neither guidelines nor rules, Santa is tasked to handle the situation as he sees fit. In the human world, a rampaging thunderstorm strikes a nearby cemetery with a bolt of lightning, and the envoy of Hell appears.
Teleported into the human world, Santa quickly realizes that humans are just as wicked as Enma had described. Without upsetting the balance between light and dark, Santa begins his quest to complete the mission from Hell and restore order to the human world.
The story revolves around a first-year high school student, Teiichi Niiya who had just enrolled at Seikyou Private Academy. When he gets lost in one of the school's old building, he meets a girl named Yuuko Kanoe who reveals herself as a ghost with no memories. Teiichi then decides to investigate her death by delving deep into the infamous Seven Mysteries of the storied school along with Kirie Kanoe, Yuuko's relative, and the oblivious second year Momoe Okonogi. Throughout the story, Teiichi and Yuuko discover the truth about these ghost stories and help those who are troubled all the while inching closer to the truth behind Yuuko's death.
Sakaguchi is a high school boy and also a "fudanshi" who loves boys-love stories. He hangs out with his friends, a fujoshi named Rumi, his gay friend Yūjirō, fellow fundashi Daigo, and his "normal" friend Nakamura.
Maya, Mei, and Runa Shijo are detectives who work at the detective office of Tokuko Shijo, their aunt. At the same time, the girls helps with their parents' Chinese restaurant. However, no one knows, they all are descendants of the dragon tribe, and they transform into dragon warriors called Dragonet . Their goal is solving the incident caused by the evil tiger tribe.
High school student Katagiri Yuichi cares about friendship more than money because of his mother’s teachings. One day, Yuichi and his close friends, Shiho, Tenji, Makoto and Yutori, are suddenly forced to participate in a mysterious game of wits that involves a lot of money. It is supposed to be a simple game. However, friendships are unexpectedly tested under extreme conditions which triggers paranoia. The trick to clearing the game is to trust in friends. But will Yuichi and his friends choose money over friendship?
When Hikari was little, she and her father liked to watch professional wrestling, and she became very good at it. She is the pride of her family until she is introduced to Kei, the son of her father's friend.
Set at the all-boys school Rokuto Academy, the story revolves around Hasukawa Kazuya a late arrival to the unusual Greenwood Dormitory, a former insane asylum.
One year ago, a UFO containing 150 aliens crash-landed off the shores of Kasai. Because no one could fix their ship, the Japanese Government decided to bestow upon them the designation "DearS" and make them into Japanese citizens. One morning, a truck carrying a capsule that housed one of the aliens ends up dropping it into the riverbank, releasing her from her confinement. She is eventually found by a high school student named Takeya Ikuhara, who saves her, despite being extremely distrustful of their race and wanting nothing to do with them. Upon being named Ren, she imprints upon him as her "Master" and serves as his personal "Slave," leaving him with a "DearS" who wants to remain with him no matter what.
When high school student Amane transfers to a school in Enoshima, he meets Ryuji, a kind-hearted classmate, and the two begin to grow closer and more attracted to each other. Will Amane, who has a hard time falling in love, change because of Ryuji?
Mitsuki Ikuta works for the Houchiku Corporation, making movies. To all who know her, she is perceived as being a very infantile woman, still wearing childish fashions. A fan of the detective movie genre, she suddenly finds herself chosen to be the main producer of a new film—but it's a "hero movie" (a genre generally considered childish). Determined to succeed, regardless, she takes on the job.
Kyougoku Daijirou is the 15th generation owner of the Kyoto sweets shop Amashoudou. One day, Daijirou discovers a giant robot named Doamaiger D in his store's basement. At the same time, enemies called "Mekaijuu" appear in Kyoto and begin wreaking havoc.
Junna Tōno has a twin sister named Senna. He is an ordinary student at Sakurahama Private High School. However, in the past, a traffic accident deprived him of his parents and his memory. Junna survived the accident and since then, he lived only with his sister, though he's been looked after by his relatives.
His present life with Senna at the same high school is so pleasant that he can forget his severe past. However, Junna begins to recall the memories he lost in the accident. He enjoys the happy and pleasant days, but he is tossed by his past, his present, and his future. What is the truth hidden in his memory?
Ryou Mizuhara is a normal high school student, living alone with his younger sister Akane. They were very happy together, at least until a mysterious girl crashes into their lives who introduces herself as Ryou's new fiancée.