Monster customers, a boss who takes no responsibility, nonchalant coworkers, unreasonable departments...Food company customer support worker Tokura has racked up daily stress. One day after a stress induced meltdown, cleaning staff Keita offers himself up. ""How about me?"" While at first he can't imagine taking out his frustration on the self-described hardcore masochist, his pent-up anger incites him to sin. Drunk off of the pleasure of domination,Tokura begins to search for more sources of stress in order to have sex with Keita...

Aine Misabashi, a cheerful second high school grader, has a massive crush towards her popular childhood friend, Riku Shirota. She also has a beautiful best friend, whom she calls as "Princess" that always listen to her insecurity. Everything seems like an ordinary innocent youth drama until Aine saw Riku kissing another girl even though he always said that Aine is the only one he has. Moreover, the girl that he kissed is... Is there any purity in this tangled friendship and romantic relationship? What will Aine do when another important person to her also has a feeling towards her...

Sengoku Akira, a chiropractor, doesn't know the first thing about raising a child. But when his ex-girlfriend suddenly entrusts him with their daughter, Airi, he's thrust into the deep end. So he moves in with his friend Harumi Masahiro – a divorced manga editor with a young son of his own. In exchange for rent, Akira cooks all their meals. After all, how hard can it be?

Taira, a staff at a men-only members SM Club, is asked by the No.1 player to play punishments on the criminal who has been stalking him. Taira is neither an S nor a player and reluctantly challenges to play, but the frightened and timid-looking young stalker Tatsuki, still in college, accepts Taira’s play in order to change his bad communication skills and cowardness… In addition to the title story, the collection also includes spin-off stories about the romance of the “No.1 Queen Player” and the “Muscle Maiden Owner.”

Kasumi is a girl that hates playing games and is struggling with her low English grades. However, her fate is about to take a playful turn thanks to her colleagues: the airheaded Hanako and the "overseas" transfer student Olivia! Will these three girls play a lot of different games together? Absolutely yes! Will Kasumi's English grades improve at all? Absolutely n... well, that remains to be seen.

Reborn as the third prince of a tiny and insignificant country, Hero happens to learn the forbidden-yet-powerful art of alchemy. Combined with his knowledge from modern-day Japan, Hero's abilities grow beyond what anyone in his world could fathom! With his newly-acquired powers, he’ll bring his country back from the verge of extinction...! A combination of modern-day knowledge and alchemy to turn a weak little country into a prosperous nation!

The high school teacher Kanichi Makabe is what you might call a "perfectionist". He does not compromise anything that might hinder his perfect routine! From fighting over seats in the train to protecting a corner of an eraser, the peaceful boring days is indeed a battlefield for him...

Kyoko and Miku are childhood friends attending the same high school. One day, Miku confesses her long-held love to Kyoko. What's more, Miku tells Kyoko that she doesn't have to respond right away, but that she wants her answer by graduation. Until then, Kyoko can do or say whatever she wants to Miku. A thrilling GL love experiment, begins...!

A martial artist called Nicola, who specializes in techniques considered foul by many, is kicked from the Hero's party. Feeling betrayed, he vows to never work again. Nonetheless, Nicola's older sister, Satella, has other plans for him, appointing Nicola as the teacher of the class composed of the weakest alumni in the Shanoa Academy. There, he meets Alice, a tender and lovely elf girl. In a world where a person's worth is determined by their muscles, Alice ranks among the lowest, and to change herself, she enlists Nicola's aid to learn from him a fighting style in which... anything goes! This is a battle fantasy story of rising to the top through clever but underhanded tactics!

After a long journey, Noa finds the "Class Change Book." He's done to all to abandon his bothersome "Hero" role and gain a new class... "Monster Tamer."