You are looking for Kondo koso Shiawase ni Narimasu!
Most distinctly, Louisa remembers three of her former lives. In each of them, she was the childhood friend and lover of the hero, the hero promised to return for her, and the Demon Lord was defeated—but the hero abandoned her.
While Louisa waves off her lover Graham as he ventures off to defeat the Demon ...
Could you be thinking of It Seems My Body is Completely Invincible? It’s an isekai manga that only had 4 chapters translated up until a couple months ago. The protagonist is the daughter of a duke and easily beats the child of her sword instructor in a mock fight in the first few chapters.
If the comment is right then this is Trace.
The story set in the contemporary South Korea. Some 30 years ago, unidentified creatures appeared out of nowhere and have attacked people. They have caused massive destruction wherever they go. The monsters are called "Trouble", and get the world have fallen into chaos. Along with the first appearance of ...
Miracle App Store
Were stuck in our mundane lives. Dreaming of the lives we wish we had. But what if all your dreams can be solved with a few clicks. Would you take it?
It's much as you say. He drops the phone in water, retrieves it, and the eponymous app is on it when it recovers. He dries it with a hair dryer, not rice. And the first item he buys are &...
You are looking for I Will Die Soon
The MC is being punished by Death itself because of his suicide. He will have to experience death 13 times by living throughout the experiences of different people.
The pictures below take place during his first meeting with Death while he is revived as the businessman you spoke of.
Click to enlarge
I think this may be Dead Mount Death Play as per this set of reviews:
From the man who brought you Baccano! and Durarara!! comes a title that lacks exclamation marks but still has a cast of way too many characters. It's also got Narita's signature blend of straight-out fantasy and magic realism, and in this case, that really works to create an interesting ...
The manga you are looking for is Almadianos Eiyuuden
In a world called as Dormant, a man who is the closest to god, Bernst is in anguish. From his youth he climb to the strongest, united and ruled that world, but now all that left of him is vanity. Spending all his days in neverending victories and glory didn’t quench his thirst for the excitement and ...
I believe you are looking for Ore no Ie ga Maryoku Spot datta Ken – Sundeiru dake de Sekai Saikyou, or My House is a Magic Power Spot - Just by Living there I Become the Strongest in the World.
The main character and his house are summoned to another world while he was asleep. He wakes up to the women who summoned the house outside. Then he shouts at them ...
I believe you are looking for Kage no Jitsuryokusha ni Naritakute, also known as To Be a Power in the Shadows!
The main character picks up girls and they end up making an organization. The main character uses 'mob techniques' to try to avoid standing out. In the duel with the girl he used these to make himself look weak, however using them made him gain ...
Butsuri-San De Musou Shitetara Motemote Ni Narimashita perhaps? Chapter 6 has him defeating the ant queen. Chapter 10 has him opening a Maid Cafe.
I found it by searching for isekai manga ant colony, which led me to this Reddit post where the work was given as an answer.
I think you are talking about Keizoku wa Maryoku nari: Hazure Mahou de Isekai Musou.
In this the mc can talk to a sword girl but I haven't read it much so I am not sure.
I believe this is The Unsuccessful yet Academically Unparalleled Sage ~A Cheating S-Rank Sorcerer's Post-Rebirth Adventurer Log~
The main character was considered one of the most powerful magic users in the country. One of the other powerful mages creates a test to determine compatibility with types of magic where you put some hair in some magic water. ...
I believe this is The Hero Who Returned Remains the Strongest in the Modern World.
The story is about a guy who returned to earth with his abilities. He finds out one of his classmates is a shrine maiden who hunts demons. He becomes phone friends with her. His class also gained a transfer student who is a demon hunter from the Vatican.
I believe this is Tensei Shite Inaka de Slowlife wo Okuritai, also known as, I want a slow life in the countryside after reincarnation
The main character is reincarnated as Alfred Slowlet, a nobleman's son. As mentioned in the title, they live in the countryside and he wants to live a slow life. He has spacial magic, which he uses to move things around. ...