This Earth Is A Bit Fearsome - Chapter 38

Travel to the primitive world, open up wasteland and farm land, tame animals and fish, build houses…

Jiang Xuan wants to create a tribe of his own!

- Description from novelbuddy

On her wedding day, she was humiliated; her status as the legitimate wife was instantly changed into that of a concubine.

[Ding! Dragon Monarch System has been activated.]
Aditya finds himself in the body of a 19 years old dragon. Aditya learns the misfortune fate of the former Aditya. Being a man from the 21st century, Aditya decides to change his fate.
Being married to the 7 goddesses of this world, Aditya walks on a path to prove himself to his wives and to his family.

"Goddess of War"
"Goddess of Alchemy"
"Goddess of Wealth"
"Goddess of Wisdom"
"Goddess of Lust"
"Goddess of Music"
"Goddess of Nature"
--------

Disclaimer: - The image used is not mine. If the author messages me, I will take down the image.

In the Toaru Kagaku no Choudenjihou (Railgun) SS series:

Set in Liberal Arts City between September 3rd to 10th, Academy City is having an exchange program with the rest of the world that allows some students to travel for this week to other places, and some students are allowed into Academy City during this time.

V.2 – Shopping Mall Demonstration

Setin Russia where Misaka Mikoto takes part in a demonstration things don’t pan as scheduled as Mikoto meets the mysterious New Light.

—

The story was released in parts on limited edition DVDs and Blu-rays of the Toaru Majutsu no Index anime. The story consists of eight parts, and can easily equate to a regular Index novel in length.