Dio_Brandon

the title

4

The protagonist has two options: buy the other forms to fuse them and reach the Mega level, or obtain it using Angewomon's arrow—which would also serve as a pretext to grant powers to Jin-woo's sister, but only to her.

Mc: Jin-woo, life made us friends, but your sister will make us family.

No

1 wife, and that the Kingslayer be punished by being barred from ever becoming a knight or squire and forced to remain on Lannister lands for ten or fifteen years without leave to depart.

His profile says he's Russian, and 7 days ago Russia was attacked in the war. I'm just guessing, I hope the author or translator is okay.