Aah, if I had do it all again, I'd rather die. Adventurer Lughys spent his days as a loser. Opporessed by his party members, so called "comrades", the road to being a hero or a legend was a long ways away. Then suddenly, a mysterious shadow called out for him, giving him the chance to return to his past, and told him he'd be given only one chance. He longed for it—— This time, he'd obtain valor and honor, and love. However, the god of fate would not permit it. A battle with a great magical beast, an attack on a noble house, challenging a quest with the hero—— For far and away from his expectations, he gets entagled after rescuing someone. Unbeknownst to him, his dream took a 180, and from the girls in his former party, came a twisted attachment and affection. There's only one chance at this. ——Now, why not take back the future? Revenge dwelling in a dark, hot flame, and turning the tables in a Replay Fantasy.

https://comic-action.com/episode/2550912966004581363 Jiraia is the organization's number one assassin. As a professional, she goes to work hungry to maintain her utmost concentration. However, the moment she finishes her mission, she eats a hearty meal, as if to reset everything!

In the year 2062 A.D., a new form of baseball, "Battle Ball," is born. Ikki Sawamura, a.k.a. Ikkiman, a goofy but passionate fighter, continues to battle in Battle Ball with his friends to win the championship. (Source: Wikipedia, translated)

A spin-off series set 6 years before the events of Zenaku no Kuzu focused on Yumeji Sonoda's college days.

One day, an unidentified monster suddenly came out of a volcanic crater near Mt. Fuji, and was given the name "Vulcanus". Lava spews out of its entire body, and as it grows and evolves, the enormous beast's body leaves nothing but scorched earth along its path... Then it makes it to the capital city of Tokyo. Meanwhile,  Ichiro Ichinose is a 39-year-old bachelor whose dreams have been shattered and now simply spends his days meaninglessly. After attending a classmate's wedding ceremony, he happens to reunite with his childhood friend Kanata Aida, but after she tells him something that he couldn't possibly understand, the beast arrives and things quickly take a turn for the worse... Source: Shogakukan

The Demon King is the most powerful being in the demon world. However, she is fed up with "certain things" that keep occurring in her endless struggle against her enemies, and she flees to the countryside for a more laid-back life. (Source: Kurage Bunch, translated)

Kotori Yamada is a sunny but plain high school girl, who is friends with Tsubaki, her childhood friend who is as pretty as a red rose, and Akiomi, the handsome prince of the school. Alongside her gorgeous friends, Kotori always gets overshadowed and overlooked. One day, Kotori comes across another girl confessing to Akiomi, who rejects her by saying that he already someone he likes. Kotori assumes that it must be Tsubaki, but in fact, Akiomi has feelings for Kotori… (Source: Natalie, translated)

Set in 1980’s, Tokyo. Former bosozoku leader Hino, who was in his thirties, lived as a construction worker. Yokota, a fellow former bosozoku, informed him that his eldest daughter was raped and hospitalized, the two then decided to take revenge and reuniting their old friends.

Arai Sui meets a fortune teller on her way home who tells her that her wishes will soon come true and they will have a very long acquaintance. Soon after the fortune teller passes away, and Sui meets Nakajo Anzu who just happens to be the granddaughter of the fortune teller. Along with their classmate Konoki Sakura, who's mother is a famous psychic, the girls become involved in various adventures involving the supernatural.