Ms. Isshiki Wants to Know About Love.

一式さんは恋を知りたい。

Isshiki-san Wants to Know About Love (一式さんは恋を知りたい。, Isshiki-san wa Koi o Shiritai) is a Japanese manga series written and illustrated by Ayune Araragi. It was originally serialized under the title Rinna Keibu wa Kokyū ga Dekinai (リンナ警部は呼吸ができない) in Ichijinsha's Monthly Comic Rex magazine between October 2016 and December 2017, with its chapters being collected into three volumes.