転生したら剣でした Another Wish (Series) favorite_border

[DeepL Translation - needs review] In this volume, Fran and his master challenge themselves to a mysterious dungeon that appears only once every three years. When they break the bell, a mysterious light envelops them and ......? The official spin-off of Fran and her mentor crossing various worlds begins! Web comic magazine "Comic Ride June 2020 - September 2020". Includes episodes 1-4 of the same single story edition.

(Translator: DeepL)