Ichirou Kuga has suddenly found himself taking on the responsibility of caring for his two younger siblings after their father's untimely death. To make ends meet, Ichirou rents out rooms in the apartment complex he inherited and works full-time as a shoujo manga artist. However, his manga sales are low, his assistants have recently left, and deadlines are fast approaching. As stress threatens to overtake Ichirou, salvation comes in the form of an extremely competent novice artist, Shiori Goshiki, who becomes his new assistant. With her skills, they are able to tide over the difficult situation, and things begin looking up. But in a bizarre accident, a supernatural experience unfolds between Ichirou and Shirou, which leads her to declare them engaged. With this seemingly innocuous action upending his life, Ichirou now has to manage his new and peculiar relationship with the mysterious girl, all the while following his own passion and fulfilling the duties that rest on his shoulders.

General of the Three Kingdoms, Kongming had struggled his whole life, facing countless battles that made him into the accomplished strategist he was. So on his deathbed, he wished only to be reborn into a peaceful world... and was sent straight to modern-day party-central, Tokyo! Can even a brilliant strategist like Kongming adapt to the wild beats and even wilder party people?!

The aloof high schooler Mo Fan has found himself in a universe similar yet distinctly different from his own mundane one; it's a place where magic has replaced the essence of science. Here, the most capable students are taught to master the wonders of spellworking to fend off large devastating beasts that lurk in the forests surrounding the city. Like his previous life, Mo Fan remains the son of a poor laborer and the older step-brother to a crippled sister. Despite these disadvantages, he dreams of attending a magic school to become a magician—a highly respected and lucrative trade—in order to repay his father for his hard work. Mo Fan is accepted into a renowned magic institution. However, rumors spread about his poverty and lack of magical ability, labeling him as the laughing stock of the school. Nonetheless, Mo Fan manages to harness not only the powerful fire element, but also the rare lightning element! Now armed with dual abilities, what dangerous encounters will the versatile mage face? [Written by MAL Rewrite]

High schooler Ganta Nakami has trouble falling asleep most nights. As a result, he is irritable at school, always searching for an opportunity to find a secluded place to doze off. On the other hand, Isaki Magari is a free spirit who is well liked by her friends, but no one is aware of her sleep disorder. She makes use of the school's abandoned astronomy club observatory as her secret sleeping bunker when she needs to get some shut-eye. As fate would have it, Nakami finds Magari napping in the observatory. When Magari discovers that she and Nakami have something in common, she offers to share her secret sleeping spot with her fellow insomniac. As the two find warmth in each other's company, the struggles they face start to become easier to confront.