This is comic about a high-school student's convenience store and OL (+ α). There is age difference & height difference.

Having survived an isekai for 17 years, 34 year old Ojisan (uncle) returns to modern day Japan. Takafumi, Ojisan's nephew, now gets to witness what throwing a die hard Sega fan into an isekai for 17 years does to various things and people, both past and present.

An unknown skill turns into unlimited power with divine knowledge [Internet]!

"To manifest an SSS rank with the weakest skill is a disgrace!"

Rona is a girl who was expelled from her home due to her lack of money, food, and power. Lost and hopeless, she suddenly hears the words...

"Would you like some guidance?"

She discovers how to utilize her unique SSS rank skill: [Internet], which she alone possesses. The true nature of this skill is the ability to access this world's 'guide sites' - an extraordinary cheat skill! Endless production of valuable items! Acquiring ultra-rare equipment! Thanks to her skill, she can do as she pleases...!

There exists an evil organisation that intends to invade planet Earth.
The man called "General" fights everyday against the Earth's Defence Force, the "Rangers"!

However, today is his day off.

Nakayama Haruto is a game commentator who streams provocative content under the name "Oni-chan." He attracts attention for his radical streams , but his true identity is that of a good older brother who streams to raise money for his younger sister's tuition and living expenses. However, he accidentally forgets to turn off the streams, and his true personality is revealed to the public. Just when it seems like he's going to cause a major uproar, the contrast with his usual self turns out to be a big hit with viewers...!?

Ichabod is a young boy trying to find his biological father. This pursuit isn't made any easier by his tendency to get into trouble with the law. To top things off, his parents are just downright weird: Ichabod was raised by a lesbian couple. Thank god he meets Kirico, who is anything but ordinary.

From MangaHelpers:

This 4-koma comedy manga follows the daily life of the intelligent, responsible 6th grade elementary school student Haruna Raika. She keeps busy as the elementary student council president and the classroom leader, and she even fills in for the teacher sometimes! [tethysdust]

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4-Koma comedy following the super genius grade school student Haruna Raika and her every day life. Where she's the class president, the room leader, the top student, and even fills in for the teacher when they've overslept!

Uesugi-kun is a boy who's as petite and cute as a girl. He has a crush on a girl he's known since childhood, but overheard her saying, "Wouldn't Uesugi be totally adorable if he was a girl?!" Uesugi-kun's not as tall as his other childhood friend, Eito, nor is he as good at studies, and now he's suffering from a broken heart. A depressed Uesugi-kun stops by a shrine while running an errand and makes a wish... A love-triangle romantic comedy featuring an overly cute, and now female, protagonist begins!

Traveling from Kagoshima to Hokkaido (~2800 km/~1700 mi) in her trusty, bedazzled touring cycle, this is a story of 18 year old sparkling gyaru Michibata Michika!

Today, there’ll be discoveries and encounters again. For the girls marching forward in a world in its afterlife, there are still various things to experience: The remains of an extinct civilization, other living things, as well as lessons taught by the ruins.. there is still a lot to be seen in the world. That’s why... living is still fun!

Youth = friendship, effort, and future prediction!
A very ordinary and supernatural daily life sent by the strongest and invincible gal with different abilities.

- Official YouTube: https://www.youtube.com/@parako
- Official Twitter/X: https://twitter.com/parako_official

From Boku-Tachi:

Tesshou is your typical high-school delinquent with a special skill. He has a perfect pitch. This skill enables him to hear things most people wouldn't. After saving a small dog, Tesshou realises his calling in life is to become a Vet!

In 2006, Wild Life received the Shogakukan Manga Award for shounen.

The protagonist Chan, who was looking for a part-time job after his previous company went bankrupt, coincidentally discovers a convenience store. Lured by the very high hourly wage, he decides to become a part-timer from that day. But the customers who come in seem a bit strange. Vampires, kobolds, and even succubi??

One day, Hajime Tamachi, an apathetic man, receives an unexpected message from Renafalt, a friend he met five years ago in an online game, whose face he has never seen: "Senpai, how about hiring a home security guard?" Convinced that Renafalt is 200% a man, Tama arrives at the meeting spot and sees someone with a red suitcase, just as they had arranged. However, that person turns out to be a beautiful girl with large breasts. "Ah... A-Are you... Senpai?"

Sozai Shuu, a working adult with a slightly weird habit of loving to collect raw materials, was transferred to another world by God after losing his life.

In order to live leisurely, Shuu wished for 『a power to live a carefree life collecting raw materials in another world.』His wish was successfully granted however, his magic power is strangely enormous, and his skill is really convenient? Seems like God misunderstood that he wanted to harvest materials from monsters leisurely so the power he gave Shuu was so incredible….

Nevertheless, Shuu does not take it to mind and freely uses his unique skill 【Detect】 in another world to search for materials, harvest them, eat them, make money off of them and lives a carefree life collecting materials.

Narumi Rokurou is still adrift in life in his forties, unmarried, and working as an editor at a publishing company while writing hardly lucrative literary fiction. His days enjoying life at his own pace are brought to an end one summer night, when a strange twist of fate brings Rokurou together with a mysterious beauty, beginning the story of their crazed love. As once was spoken by Zarathustra: "Everything in a woman is a riddle."

An ordinary office worker, Akira Ichijo, was attacked by a Minotaur on his way home from work.

In the next moment, he woke up in his office desk, Akira was resurrected from death, inherited his level and status, and possessed a unique skill called "Return from the Underworld" that allowed him to restart his life at a certain time.

Now Akira makes full use of his skill and everything he had to search and survive with his childhood friend Nao Nanase to face this cruel world!!

Immortal Tatsu is an ex-yakuza who’s given up violence for making an honest man of himself - but is it still possible for a devoted stay-at-home husband to get into a few scrapes?

Note: Won the Eisner Awards in 2020.

Misato-san, a very beautiful office lady who is good at her job, and her boss—Konishikawa-san, a middle-aged man who spoils his subordinates. Misato-san has a strict attitude toward Konishikawa-san, but what are the hidden feelings behind it?! The gap between the seriousness and cuteness will make you faint in anxiety, and this office love comedy with a difference in age begins! (MTL)

Hoero Pen is a story about what goes on behind the scenes of the manga industry: an over-excitable assistant, a tyrannical editor, endless deadlines... Not a day goes by without some form of turmoil in Honoo Moyuru’s life as a hot-blooded mangaka!