Mizuki Usami is a passionate member of her school's art club, but the club has a problem—Usami is the only member who takes her craft seriously! The lazy club president constantly sleeps through activities and Collette hasn't regularly attended club activities in quite some time. Uchimaki Subaru, despite being an exceptional artist who could win an award if he tried, is obsessed with drawing the perfect 2D wife. Light-hearted and comedic in tone, Kono Bijutsubu ni wa Mondai ga Aru! follows Usami as she struggles to do art club-like activities, often obstructed by her motley crew of good-for-nothings and her distracting crush on Subaru.

Red panda Retsuko continues to work at her cyclic office job, with the occasional stress-venting via death metal karaoke on the side. With the company of her newfound friends Gori and Washimi, life is more enjoyable than ever before. But some new shake-ups to her status quo threaten to add more stress to her life. At the office, new employee Anai seems like a fine addition to the company. Yet when Retsuko is placed in charge of his training, she finds that beneath his steadfast dedication, he may pose a threat to the stability of the workplace. Meanwhile, at home, Retsuko's mother pays an abrupt visit, fully intent on having her daughter finally settle down and find a man. With this in mind, she sets Retsuko up for various marriage appointments, much to her chagrin. Now, Retsuko finds all the more reasons to head to the karaoke bar and unleash her furious diatribes. However, knowing that this will not truly solve her problems, she decides to make a more spontaneous choice to avoid her issues. And so, Retsuko finds herself set upon another self-reflecting journey, coming to learn more about herself and love, with the ever cathartic support of death metal karaoke.

One day, Kei Kusanagi notices a strange glowing woman by the lake. He discovers that the woman is actually an alien officer from the Galaxy Federation named Mizuho Kazami, and even more shocking—she's also his teacher! In spite of this setback, he and his teacher gradually get to know each other and a romance blossoms between them. However, soon enough, the principal of the school finds out about their relationship. The solution? Get married! Together, the newlyweds must keep their marriage a secret, not only from Kei's high school friends, but also the Galaxy Federation. Onegai☆Teacher is the fragile but comedic love story of an alien and her student.

En route to conquer a Great Labyrinth with his allies and former classmates, Hajime Nagumo is sidetracked by a tragedy that befalls his party member Shea Haulia. After encountering a group of rabbitmen caught in an ambush, Nagumo learns that members of Shea's Haulia Tribe have been abducted by soldiers of the Hoelscher Empire. To alleviate the anxiety of Shea, whose father may be in mortal danger, Nagumo decides to head toward the empire and rescue the missing Haulias. After arriving at his destination, Hajime is caught up in political turmoil between the empire and the Heiligh Kingdom. As princess Liliana S. B. Heiligh tries to formalize an alliance with the empire to protect her weakened kingdom against demon attacks, the Haulia Tribe plans to assassinate Emperor Gahard D. Hoelscher to free all rabbitmen from the empire's threat. Determined to protect his allies at any cost, Hajime will need to ignore all political considerations and unleash his unstoppable power on anyone who may stand in his way.