It is a quiz app of "Level 1 but unique skills are the strongest".

"Level 1 but unique skill is the strongest" is a Japanese light novel by Nazuna Miki.
Serialized from February 24, 2017 to April 19, 2020 in "Let's become a novelist".
On the same site, it won the first place in the daily, weekly, monthly, and quarterly, and from August 31st of the same year, the book was published by K Ranobe Books (Kodansha).
The illustration is subachi.

Synopsis
The main character, Ryota Sato, who is working overtime at his company, is suddenly woken up by a girl in a place like an underground passage when he tries to take a nap.
The girl, Emily Brown, says that this is a dungeon and that she "dropped from slime."

In a strange world where vegetables, meat, and even air and water are all dropped in dungeons, Ryota and Emily challenge dungeons as adventurers to make a living.