A 32-year-old single mother is told by her neighbor, a university student around 20, that he likes her. Thing is... he's not particularly shy about why he likes her.

I, Takayama Aruto was summoned again in replay mode, keeping all of my past stats. This time, a large Hero’s Summoning was conducted which brought along the whole class. Sick of doing the job of a Hero, I hid my stats from the others and chose to become a merchant. But, I must have hidden my stats so well that our summoner thought I was trash and was casted aside. So, I decided to form a party with the three beauties in my class who were similarly thought to be useless (a Tsundere, a lolita and a meek girl)! But, it’s okay. I still have my Item Box and Item Shop. I’ll just have to make whatever it is I need! And so, I led a relaxed life in another world creating items DIY and hawking, but…… The Dragon Demon Lord and my past wife, a succubus comes knocking on my doorstep and seeking love. It seems that the transmigration this time is going to be troublesome yet again!

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TL;DR Version: OP Harem Isekai Protag gets Isekai'd again (with his entire class this time), hides double OP abilities for slow-life living, starts new harem with girls from the class and the harem from the first otherworld that followed him to this one.

A story about an oldman and a highschool girl friendship!

Ruri, a college student working part time at a convenience story, finds herself drawn to Nosegawa, a middle-aged customer who comes in every day to buy two packs of cigarettes. When she works up the nerve to ask him for a ride home one rainy day, their interaction in the car kindles something in Ruri's heart - a strange and unknown new heat...

From Ikemen Manga:

Sae's been going out with the handsome and flirtatious Shun for two months already. He’s selfish and a bit naughty, always teasing her, but before she knew it... she had fallen in love with him...? A blinding love with a stubborn boyfriend! ♡

Kimura Rin is a young office worker who's constantly harassed, bullied and otherwise spends her time at work suffering. With no future ahead of her, and nothing she wants to do, she wonders why the world hurts her this way...

Until, after an incredible night with an incredible woman, she decides to become a lesbian escort.

Keitaro opened his front door one morning and suddenly transferred to a different world where demons and monsters live. Keitaro meets a young girl, Nia who is a half-demon. Nia urges Keitaro to "make a child" with her. Apparently, a half-demon woman can only have children with a human male...

Shigeru Sugiyama (a cafe assistant), suddenly teleports to a fantasy world, where he realises he is different from the rest. However, this wasn't in a good way. The younger high school students who teleported to the same world had titles of [Heroes] and [Saints], but Shigeru didn't have any titles to his name. But then it happened again. Shigeru teleported once more, but this time, to the real world!

"Marriage"—when two who were once unrelated vow to love each other and wish for each other's happiness become "family." This marks the start of the married life of her dreams. Or so she thought. Before she knew it, she became a shut-in!? What will the newlywed wife do!?

This is the true story of a woman who became a shut-in as she was living the newlywed life!

Shimazaki Mako used to be a zebra, but she hated her life of being chased by lions, so now she's turned into a human. But in the apartment next door is a former lion...!?
It's wildlife survival of the fittest for these former animals turned high school girls on Kami-sama's whim.

Our unnamed protagonist is an ordinary high school boy who loves Magic Walker - a super-popular card game. In particular, he loves the Elf Deck: a selection of cards that, while seemingly weak, can be incredibly powerful when played right.

One day, while on his way to get a new elf card, he gets bullied by his peers. One thing leads to another, and soon he wakes up in another world... in the body of the elf character he was hoping to get his hands on. And wouldn’t you know it, he can summon elf cards from his old world too.

From the duo who created Mazumeshi Elf to Yuboku gurashi: https://mangadex.org/title/33529, and the author of Dungeon Nursery.

Alpha genes produce people with exceptional appearance, intelligence, and abilities, but only exists in 1/100,000 people. Nobunaga, born an alpha, will always attract other people. Despite having everything, all he wanted for was "a turn of fate." After meeting a woman that filled him with a need to have her and only her, the ultimate climax starts!

Mikoshima Yuu is ecstatic to be entering into a all-girl world at St. Millefeuille Gakuen. Mariya is annoyed that she's been assigned to show the newbie around. But Nagi volunteers to escort her - in fact, she's positive frantic to do so, and immediately starts to court Yuu, who is thrown off her stride when she's so openly being pursued by a beautiful girl.
(Okazu)

Maaya lovers herself very much.

In the year 2045, VR-Capable brain implanted communication terminals have become widespread. With the advent of this world changing technology, the world has become an almost unrecognizable place. From e-sex indistinguishable from the real thing to advanced artificial intelligence, it seems anything has become possible. Except for, of course, the redemption of my pathetic love life.

Mid-15th century Ferrara, Italy, Lisa who dreams of traveling the world meets Olha from Qirm (now Crimea). Olha wishes to search for her sister in Crete, while Lisa wishes to accompany her... Their journey begins now!

No one knows Torako used to be a delinquent. All of her classmates only know her as the perfect student. But everything changes when Nokotan, a transfer student with antlers, enters her life. Antlers aren’t the only thing strange about Nokotan. Her deer nose can sniff out Torako’s secret past! Whether it’s at school or the zoo, chaos follows this doe-eyed girl’s every step. Torako has so many questions! Is Nokotan a deer, a girl, or something in-between?

Fun Fact :
-Author is illustrator for 天音かなた: https://m.youtube.com/channel/UCZlDXzGoo7d44bwdNObFacg Vtuber
-Because of that, Physical copies on Amazon store soldout in 1st day

I reincarnated as the villainess in a game world—
I’m not afraid of banishment, I’ll manage my territory and live as I like!

I reincarnated as Celistina, the villainess of an otome game.
As the fiancée of the crown prince, in this world where everyone is gifted with blessings by the gods and spirits, I’m the “young lady without a blessing”. As a result of being a fan of the game, I know that the crown prince will be with the heroine sooner or later, and he will break our engagement. Alternatively, if they don’t end up together, I will be executed…

Itai Shiori (26) is an office lady who has gone through her entire life boyfriendless. She might look apathetic, but she still wants to be loved as much as anyone. Never letting a hot tip go to waste, constantly challenging herself. However, her natural awkwardness and cringeyness tend to lead to unfortunate results... An unfortunate but lovable OL's daily life!