Nisekoi

As a child, Raku Ichijo made a secret promise with his childhood sweetheart, keeping a pendant as a memento while his love took the key. He dreams of one day meeting his past love, but years later, reality smashes his hopes when Chitoge Kirisaki accidentally knees him in the face... Though Raku's a normal high schooler, his family heads the notorious yakuza gang the Shuei-Gumi faction! And he's dragged into family affairs when he's forced into a relationship with Chitoge, the daughter of a rival gang's boss! Despite their constant spats, the two somehow fool everyone with their false relationship. Raku then discovers that Chitoge has a mysterious key from her past, which she can't remember... Plus, two other girls appear with keys as well—Kosaki Onodera and Marika Tachibana! Caught in the midst of this love maelstrom, even more complications arise for Raku when his class decides on Romeo and Juliet as the class's play for the school festival. Can the two false lovebirds pull off the impossible and make the play a success? (Source: Viz Media)

Nisekoi:

The relationship antics continue as Chitoge starts to realize that she is actually in love with Raku. Kosaki's younger sister Haru, who wants to protect her sister from the supposedly-depraved Raku, gets added to the mix. Other highlights include the introductions of Hana (Chitoge's mother) and Paula McCoy (Seishiro's assassin rival) and Kosaki's brief stint as a magical girl.(Source: Anime News Network)

Girlfriend, Girlfriend Season 2

The second season of Kanojo mo Kanojo</i>. After their hot springs trip, Naoya continues his relationships with both Saki and Nagisa. Bringing along Milika (who kissed Naoya) and Shino (who secretly has romantic feelings for Naoya), they embark on a summer vacation full of romance with a fireworks festival, camping, and Okinawa. Milika's younger sister Risa also appears, making the romance in this neo-standard rom-com heat up even more. A season two filled with summer and swimsuits is about to begin! (Source: Crunchyroll)

The Café Terrace and Its Goddesses Season 2

The second season of Megami no Café Terrace</i>. The Familia Café Terrace opens once again, with a rival restaurant opening right next door! (Source: Crunchyroll News, edited)

The Quintessential Quintuplets 2

Through their tutor Fuutarou Uesugi's diligent guidance, the Nakano quintuplets' academic performance shows signs of improvement, even if their path to graduation is still rocky. However, as they continue to cause various situations that delay any actual tutoring, Fuutarou becomes increasingly involved with their personal lives, further complicating their relationship with each other. On another note, Fuutarou slowly begins to realize the existence of a possible connection between him and the past he believes to have shared with one of the five girls. With everyone's feelings beginning to develop and overlap, will they be able to keep their bond strictly to that of a teacher and his students—or will it mature into something else entirely? (Source: MAL Rewrite)

We Never Learn: BOKUBEN

His late father always said that a useless man should strive to be useful, so to that end, third-year high school student Nariyuki Yuiga dedicated himself to becoming a high-achieving student in his school, despite his history of poor grades. In order to give his destitute family a better life, his ultimate goal is to obtain the special VIP nomination, a prestigious scholarship covering all future university tuition fees. Although Nariyuki could feasibly be a shoe-in for the nomination, he is constantly overshadowed by classmates Rizu Ogata and Fumino Furuhashi in mathematics and literature, respectively. To his delight, Nariyuki receives the nomination, but there’s a catch: he has to tutor his two star classmates, who are each hopelessly mediocre at the other’s subject of expertise! To make matters worse, the subjects they are horrible at are the same subjects they want to pursue for their future. As the time to submit university applications draws nearer, Nariyuki must find an effective tutoring method for the girls before it’s too late. (Source: Official Website)

More than a Married Couple, but Not Lovers.

Third-year high school student Jirou Yakuin hoped to partner with Shiori Sakurazaka of the same class in the mandatory "Couple Practical" course. In this practical, students must demonstrate that they have the necessary skillset to live with a partner of the opposite sex while presenting a certain level of harmony to the video surveillance that grades them. Unfortunately, random chance put his slightly subdued self into the practical with the person polar opposite to him, the gyaru Akari Watanabe. Akari on the other hand hoped to be paired with her crush Minami Tenjin. Their hopes are doubly dashed when they find out that Shiori and Minami are assigned together. Thus, they reluctantly decide to cooperate to reach the top ten, which would give them the right to exchange partners if both couples agree. To that end, Jirou steals Akari's first kiss without realizing what he'd done, while giving a hurried good-bye kiss...

Yamada and the Seven Witches

Ryu Yamada is a second year student at Suzaku High. Ryu is always late for school, naps in class and gets abysmal grades. His life is a dead bore. The beautiful Urara Shiraishi, on the other hand, is Suzaku High's brightest student. One day, without explanation, their bodies are swapped! Ryu ends up in Urara's body, and Urara in Ryu's.

My Stepmom's Daughter is My Ex

Ah, high school. Is there any better place to start fresh after a horrible middle school relationship? Nope! Not unless your ex ends up at the same school as you and is now your stepsibling. What was supposed to be a sanctuary of peace where I could avoid ever seeing her again has become a living nightmare! Everywhere I look, I see her—in my house, in my school, in my class. There's no escape! She even claims that she’s the older sibling. Like hell she is! But I won't lose to her. After all, I'm the older brother in this new family situation. That’s right, we’re family now. No matter how much we may have thought we loved each other before, we saw one another’s true colors and realized we weren’t meant for each other. That’s why even though we may keep up a buddy-buddy sibling act for the sake of our parents, things will never go back to the way they used to be. (Source: J-Novel Club)