Ian Percus, a third-year student from the Academy's swordship department, wakes up one morning to find a flip calendar on his desk and a letter he doesn't remember receiving. The letter contains a cryptic message: "If we don't protect the future, the world will perish."
When he goes to the Academy, he finds out that, unbeknownst to him, a week has passed and that during that time, he defeated a previously undefeated junior.
At first, Ian is skeptical, but as the events described in the letter begin to unfold, he gradually starts to believe what is written.
What on earth happened during the week he has no memory of...?
Will Ian be able to protect the future?
Love Letter From the Future It is also Known as: A Love Letter From the Future, 未来からのラブレター〜滅亡する世界の英雄は俺！？〜
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Top 5 Manhwa/Manga Like Love Letter From the Future [2026 List]
5. Saikyou no Shuzoku ga Ningen Datta Ken
Elf? Dwarf? No! Humans are the strongest!
I was summoned to a different world where humans are the strongest living beings. In my previous world I was just a normal everyday salaryman, but in this new world, I seem to have become a rare existence.
I, who have obtained the strongest power through my race, have decided to enjoy this seemingly stress-free life to the fullest.
Note: Chapter count includes an omake chapter.
Humans are the Strongest Race ~Starting a Slow Life with an Elf Wife in a Different World~ has finished publishing and it has 64 Chapters. It is also Known as: 最強の種族が人間だった件, Saikyou no Shuzoku ga Ningen Datta Ken
4. Boku no Heya ga Dungeon no Kyuukeijo ni Natteshimatta Ken
Does a two-bedroom apartment in the Tokyo metropolitan area with a rent of 30,000 yen sound too good to be true? Our hero certainly didn't read the fine print. After renting his dream apartment, Tooru quickly realized that the front door of his new home connects to a dungeon. But it isn't all that bad - after he saves a young knight, he quickly learns that his home can also be a rest stop for adventurers.
How My Room Turned Into a Dungeon Rest Area has finished publishing and it has 40 Chapters. It is also Known as: 僕の部屋がダンジョンの休憩所になってしまった件, My Room Has Become a Dungeon’s Rest Area, About My Room Leads to Dungeon, Boku No Heya Ga Danjon no Kyūkeisho Ni Natte Shimatta Ken
3. Kuro no Shoukanshi
Losing his memories as a compensation for a transfer to another world, the curtains of the story of Kelvin rise. While steadily getting stronger, he adds new subordinates by mastering his skills in hope to get powerful enough to summon his Angel Follower who he has supposedly fallen in love previous to the memory loss, but by the time he noticed it, he had obtained overwhelming power...
Black Summoner is currently publishing and has Chapters. It is also Known as: 黒の召喚士, The Berserker Rises to Greatness, Black Summoner: A combat maniac's ascension
2. Kage no Jitsuryokusha ni Naritakute
Just like how everyone adored heroes in their childhood, a certain young man adored those powers hidden in shadows. After hiding his strength and living the mediocre life of a mob character by day while undergoing frenzied training by night, he finally reincarnates into a different world and gains ultimate power. The young man who is only playing at being a power in the shadows, his misunderstanding subordinates, and a giant organization in the shadows that gets trampled….. This is the story of a young boy who had adored powers in shadows possibly eventually reigning over the world of shadows in another world.
To Be a Power in the Shadows! is currently publishing and has Chapters. It is also Known as: 陰の実力者になりたくて！, The Eminence in Shadow, Восхождение в тени
1. Monster Musume no Iru Nichijou
In a modern world where beast people exist and live with other humans, they have a regular household where a student lives with a lamia named Miia. The student, Kurusu Kimihito, came to live with Miia because of the culture exchange that has been going on with humans and sub-species alike. This is their story.
Monster Musume is currently publishing and has Chapters. It is also Known as: モンスター娘のいる日常, Everyday That There Is a Monster Girl, MonMusu
