Kenja no Mago
Current: Ch. 18. The guardians who taught the mc about some overpowered magic were famous powerful people. The mc doesn't have any common sense in regards to the world's average power and knowledge
Isekai de Skill wo Kaitai shitara Cheat na Yome ga Zoushoku Shimashita: Gainen Kousa no Structure
Ch.4: It had me at first, but it failed to keep my interest...The mc and his group of classmates gets transported to a world where contracts are important. He refuses to become a hero and decides to go explore and understand the world freely.
Maken no Daydreamer
Ch. 16: I can only see this as a generic isekai story so far, but it is still entertaining tho
Mermaid Boys
Ch. 3: A mermaid story, but backwards. It looks cute :3 I like it so far
Isekai Izakaya "Nobu"
A bar connected to a fantasy world. So heartwarming~
Tondemo Skill de Isekai Hourou Meshi
A civilian, who got sent to another world, was able to tame a fenrir because of his cooking. It's a heartwarming isekai story :3 a change of pace from time to time.
Kochou no Yumeji
On Hold: Ch. 39. Selling dreams
Botsuraku Youtei Nanode, Kajishokunin wo Mezasu
The mc discovers that he was reincarnated as a side character from a game he played in his previous life. This character is fated to fall into ruin along with the villainess, thus spending their years together as a poor farmer. He wanted to avoid it at all cost, so he changes himself and studies a variety of useful skills that would help him earn money to avoid his fate of becoming poor.
Gaikotsu Kishi-sama Tadaima Isekai e o Dekake-chuu
Ch. 13: op skeleton knight on a journey
Sayounara Ryuusei, Konnichiwa Jinsei