There are many novels in which the main character dies in the end.
[1]"Battle Through the Heavens": The main character Xiao Yan dies at the end of the novel. In order to achieve his goal, he continuously struggles and finally pays a painful price.
[2][Full-time Expert]: The main character Ye Xiu also died at the end of the novel. He paid a painful price to protect his team and eventually left this world.
[3. Lord Snow Eagle: The main character, Su Ming, also dies at the end of the novel. He struggles to save the world, but in the end, he sacrifices himself.]
4 " One Thought Eternity ": The main character Fang Yuan also died at the end of the novel. He struggled to pursue his beliefs and eventually paid the price with his life.
"Douluo Continent": The main character Tang Wulin also dies at the end of the novel. He constantly struggles to become a soul master but sacrifices himself in the end.
In the classic 'Romeo and Juliet', both Romeo and Juliet could be considered heroes, and they die at the end in a heart-wrenching turn of events. It's a tale of forbidden love and tragic fate.
Of course, many novels would involve the death of the male and female protagonists. This kind of ending was often an important turning point in the story and would usually make the readers feel more shocked and regretful. However, this kind of ending did not mean that all novels were like this. Some novels might express the death of the male and female protagonists in other ways, such as rebirth, reincarnation, and so on to retell the story.
I'm not sure which anime you're referring to. But if you're talking about an anime where the main character dies and goes to another world, then it might be Death Note or Death March. Both of these works were adapted from novels of the same name, in which the main characters would enter another world after death. If you have more information, I can better answer your questions.
One great anime is 'Sword Art Online'. The main character, Kirito, is extremely overpowered (OP). He is highly skilled in the virtual reality world of SAO. In the series, he also has a love story with Asuna. Their relationship develops as they face various challenges together in the dangerous game world.
It ends at a specific point that varies depending on how the anime's storyline was adapted from the manga. Sometimes there are differences in the pacing and content presentation.
There were many animes where the male lead died or left before the female lead repented. It was best to have a little comedy or love. Here are a few recommended works:
1 Death Note: The male protagonist, Yagami Tsuki, had been playing the role of the guardian of justice before his death. However, the female protagonist, Misa, misunderstood him because she saw the death list in the Death Note, which eventually led him to the wrong path. This anime had intense love and funny elements, but it was also full of thoughts about human nature and society.
2 "Gate of the Stone of Destiny": The male protagonist, Okabe Rentaro, was a communications engineer. He discovered a technology that could change the passage of time in an experiment, but this technology would cause him to lose his important family. As time passed, he kept looking for a solution to the problem, but in the end, he chose to give up and let the heroine, Kazuki Misha, deal with the problem. This anime had a touching love story and deep scientific thinking.
3 "The Attack of the Giant": The male protagonist, Alan, was a imprisoned human at the beginning of the story. He grew up in the battle with the giants and finally became a hero who protected mankind. However, the heroine Rainer misunderstood his purpose and caused him to lose his best friend and lover. In the later stages of the story, Alan faced the danger of life and death, and Reiner also faced his own dilemma and choice. This anime was full of battle and human thoughts, but it also had a deep theme of friendship and love.
The above are a few animes where the male lead died or left before the female lead repented. It's best if it's a little funny or romantic. I hope you'll like it.
It might be a story that focuses on the couple's journey together and how the husband's death brings a profound transformation to the wife's life. It could also touch upon themes of fate and the fragility of happiness.
One way could be to have a touching memorial or tribute to the deceased character. It can show how much they were loved and leave a lasting impression on the readers.