For some reason she has lost her magic power, so she becomes a lady with a deep window (4). Tsugikuru Books

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

The third prince from a neighboring country has arrived! The fourth of the Happy Fantasy in a different world approaching the spirits of the darkness! Comicalization is now being serialized in the Kadokawa Corporation "ComicWalker"! Lasher has succeeded in recovering her magical power safely. At the wedding ball between Lasher and Louis, the third prince of the neighboring country Orter, who has almost no diplomatic relations with Lasher, has come. What a surprise! Lasher and Louis were, like Lasher, operators of dark magic. Lasher and Louis were invited to a ceremony in Orter, but there was a terrible incident -- the fourth of the Happy Fantasy in a different world, in which a villain changes the future with the spirits!