“Don’t use the regretful male lead hashtag if the heroine doesn’t end up with a regretful male lead!” After wailing over the ending of my favorite novel, I wake up as Cornia, the heroine who kicks her regretful hubby to the curb for a new flame. The catch? My heart’s set on the regretful husband, Duke Ertein Belcita! But I’ll have to overcome several obstacles to stay married to Ertein. First up, let’s give those meddling villainous in-laws the boot. Watch out, world. Cornia’s rewriting her love life! (Source: Tappytoon)

As the winner of Crown Prince Karzhan's fiancée competition, Veniti Lysie should be happy, but everything changes on their wedding night when she's framed for his murder and executed. After returning to the past, she decides to lose the contest so she can live, but she keeps advancing! She bumps into Karzhan as they're both running away from their duties and learns that there's more to their past than she thought. Can Veniti save herself, or will she be unable to escape her execution? (Source: Tapas)

The plot centers around a Grail War faultily copied from the Third Holy Grail War in Fuyuki. After the end of the third Grail War, an organization from the United States that has magi separate from the London based Mage Association as members took data from Fuyuki's Grail War and planned their own ritual. After seventy years, they used the city Snowfield as the Sacred Land for their own Grail War. They were unable to successfully copy every aspect of the ritual, which lead to it acting only as an imitation that has lost the Saber class and allowed for the summoning of strange Servants due to the definition of a "hero" being blurred.

Maeda is a new student in the Teiken High School. He stutters when he's nervous and he's rather clumsy. He gets noted immediately because he hits a teacher during the entrance ceremony. Some clubs search to enlist him as they see in him a force they can use to get even with other clubs. But Maeda is a loner and has only one dream: becoming boxing champion. His first objective is to beat the leader of the boxing club. "Rokudenashi" translates as "good for nothing".

Ichijo Kazuya thought that he was murdered, but when he came to, he was back in his high school days. He lived his entire life as a playboy and had had countless sexual encounters with women until that fateful day that he was killed. He realizes that his murderer was his old high school friend Tanaka Masaki who was jealous of Kazuya’s relationships and his built up anger eventually exploded. Taken back 15 years into his past, it seems that he has been given a second chance at life and given a chance to make different choices. He decides that the way to prevent his eventual demise is to make sure Masaki is more successful with girls and loses his virginity before Kazuya. But fate seems to be steering Kazuya towards the path of his previous life and keeps introducing the same girls he had sexual encounters with. (Source: MangaHelpers)

If you think this has a happy ending, you read the title.

The future where the Virus of Death shall destroy humanity awaits. In order for humans to avert that destiny, Raito is asked to travel back to the past. His mission: to make sure a normal high school freshman Tanaka Yuu makes children with his childhood friend Takane Kyouko! (Source: Shogakukan, translated)

The Cocktail Knights are magical girls that fight off monsters created by people's stressful lives. No one knows their true identities, or at least that's the way it should be. However, one boy found out that one of the knights is his best friend! A love comedy about a poorly kept secret!

For Saijou Misao, a high school teacher in his thirties, love has become such a distant concept for him that even his students make fun of him for it. One night, while drinking alone at a bar, he runs into Takashi Ryouhei, a teaching materials sales rep that he barely knows. However, he's never seen Takashi look like this before... (Source: Ichijinsha, translated) *Note: Chapter count includes an extra.*

Separate 114-page volume bundled with the special edition of the Toaru Kagaku no Railgun manga volume 5. It contains special illustrations, comics and 2 mini-novels. A mini-novel by the author of the Baccano! and Durarara!! series, Narita Ryogho. Misaka Mikoto finds herself fighting against the Rank 7 Level 5 of Academy City, Sogiita Gunha. However, a young girl turns out to be the culprit behind their unprepared display of abilities: a primary school student named Kihara Nayuta. (Source: Toaru Wikia)

Oldrin, who disappeared a while before, now attends Pendleton School of Madrid. And Orpheus, now Liar, is appointed as the Head Knight of the Glinda Knights.

Code Geass: Oz the Reflection is a spinoff published in Hobby Japan magazine and Kadokawa Shoten's Newtype Ace magazine. It tells a story from the viewpoints of two different protagonists. The story takes place between the first and second seasons of the TV anime and is told from two perspectives. The photo story in Hobby Japan centers around Orpheus Zevon (Jivon), a young terrorist with the Knightmare Frame (KMF) Byakuen who is in pursuit of his lover's killer. The manga in Newtype Ace revolves around Oldrin Zevon, a girl in the Britannia Empire's anti-terrorist unit Glinda Knights who pilots the KMF Lancelot Grail. (Source: Code Geass Wiki)