Is It Wrong to Try to Pick Up Girls in a Dungeon?, Vol. 3 (light novel) — Fujino Omori

I've got my eye on you...
With the help of his new supporter Lilliluka, novice adventurer Bell Cranell is making progress deeper into the Dungeon. With new equipment and new allies, he thinks things are finally starting to go his way...but he's dead wrong! Bell's in a panic, Lilliluka's being cryptic, and Hestia's drunk! The trouble never seems to end in this third volume of the hit comedy-fantasy series!