Nogizaka Asuka no Himitsu

is a Japanese light novel series by Yusaku Igarashi, with illustrations by Shaa. The series is a sequel to Igarashi's previous work, The Secret of Haruka Nogizaka. The first novel was released on April 10, 2018, and is published by ASCII Media Works under their Dengeki Bunko imprint.

Synopsis
My classmate Nogizaka Asuka is the best idol in the school with good looks and excellent grades. As a member of the Anime / Manga Study Group, she is also familiar with Akiba-kei knowledge, but there is a secret to that ...

Staying camp, gacha date and quiz tournament-- !? Asuka and I, who are chasing a longing sister called "Silver Stardust (Nui Etoile)", have begun a day full of secrets.

The level is C to SS, and there seems to be some rare ones that exceed it. While fully completing the 46 secrets, I knew the impact by myself.

Next-generation secret romantic comedy that begins with my strange relationship between a "fake Akiba-kei" heroine and a "light layer"!