Although cheerful and delicate, Sakura Sakurakouji is a skilled martial artist with a sense of fairness that never falters—no matter the situation. Upon witnessing people burning in blue flames while on a bus ride home, she calls the police to bring their murderer to justice only to find that no evidence remains. However, all her doubts about what she saw vanish when the next day, the new transfer student Rei Oogami joins her class; he is the very boy she watched commit murder in cold blood. Rei is kind, sweet, and quickly becomes popular, contradicting Sakura's accusations. Soon enough, she learns his true nature: a Code Breaker, or "one who does not exist." To Sakura's shock, Rei—armed with mysterious powers—seeks to exact justice according to the principle of "an eye for an eye." Determined to bring Rei to the right path, Sakura keeps close to him in the hopes of redeeming him from his ways before others are hurt. [Written by MAL Rewrite]

Despite having seemingly quelled the war between their respective gangs, Raku Ichijou and Chitoge Kirisaki still carry on with their fake relationship. Eventually, as Chitoge's perception of Raku slowly changes, she even begins to see him as a little charming. Chitoge struggles to come to terms with her newfound feelings for Raku, as a new girl joins the slew of Raku's admirers and the competition among those vying for the yakuza heir's attention grows even fiercer. And amidst all this, Raku's search for his first love and the contents of the mysterious sealed locket continues in Nisekoi:, which picks up where the first season left off. [Written by MAL Rewrite]

During a regular after-school grub crawl, gluttonous high schooler Hibiki Sakura is confronted about her ever-expanding waistline by her best friend, Ayaka Uehara. With her attempts at solitary exercise failing miserably, Hibiki decides to join the newly opened Silverman Gym. At her orientation, Hibiki runs into student council president and school idol Akemi Souryuuin. However, it soon turns out that Hibiki is in for a lot more than she bargained for. Not only is Silverman Gym full of world-renowned bodybuilders and athletes, but to make matters worse, Akemi turns out to be a total muscle fetishist! Grossed out by the scene unfolding before her eyes, Hibiki begins to leave, only to be stopped by trainer Naruzou Machio. Completely enthralled with her newfound Prince Charming, Hibiki signs up as a gym member. Now, as a result of her spur-of-the-moment decision, Hibiki must adapt to her new lifestyle. [Written by MAL Rewrite]

In the continent of Astraea, a man falls from the sky, possessing no memories other than his name, Yuuki. An elf named Kokkoro finds him, introducing herself as his guide in the world they are about to traverse. With Kokkoro's guidance, Yuuki is able to learn how this world works, from battling monsters to handling currency. To earn money for their journey, Yuuki and Kokkoro decide to go to a nearby guild association to accept a simple quest. In their expedition, they meet Pecorine, a somewhat gluttonous but charming girl skilled in battle. The next day, they also meet Karyl, a cat girl specializing in magic. After some time, a bond of friendship and camaraderie forms between them, and the four decide to create a guild of their own. As they continue their adventures, they explore the world, meet new people, and will perhaps uncover the mysteries behind Yuuki's missing memories. [Written by MAL Rewrite]