After Transmigration: Building a Kingdom in Turbulent Times - Chapter 21 - 15 I Know

A young Japanese man inherits his parents' grape farm after they impulsively bought it during retirement but couldn't handle its physical demands. Though initially reluctant, he finds success farming for three years until market oversaturation causes prices to plummet. While playing a new video game called “Immortal Order: Origin” about historical secrets, he is mysteriously transported to 16th century North America, where he encounters starving English colonists from the lost Roanoke Colony. His grape farm has been transported with him, complete with modern equipment and a secret gift called 'Immortal'.

A rich young master, a hedonist, has the Hedonist Sovereign System forced upon him. Follow this hedonist on his adventure of becoming a Hedonist Sovereign through doing real life quests, filled with action-packed battles and hilarious moments. A lazy and slothful hedonist doing exercise in the morning? A spoilt and self-entitled hedonist starting from the bottom as a salesperson? Watch as Qin Feng is changed by the Hedonist Sovereign System, inside and out!

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

A spin-off of the various works of Kamachi Kazuma. One day, Kamijou Touma (A Certain Magical Index) faced yet another misfortune. His toilet was broken and spraying water everywhere. As he was lamenting his misfortune, suddenly he appeared in a strange place along with Index and Misaka. Soon enough, more strange people begin appearing…

Includes:

A Certain Magical Index

Heavy Object

The Zashiki Warashi of Intellectual Village

The Circumstances Leading to Waltraute’s Marriage

A Simple Survey / A Simple Monitoring

Killer Princess and Deep End