Publisher's Synopsis
The shut-in Yuki Sakurai had received the first love letter of his life. This could certainly be called a miracle and for it to occur, it seemed he had used up all luck he had.
Just shortly after reading the letter, he and his little sister Katsumi find themselves stuck inside a dungeon cell. Apparently their house had merged with a throne room of another world and the king was not amused for some reason.
Genres of this light novel series include isekai, fantasy, romance, comedy, harem, game, action, ecchi, magic, school and demons.
