This is an app for learning how to read Hentaikana.

You can choose from the following two question ranges.

・Beginner 103 characters from the list of texts for lower grades of elementary school students in Meiji 17

Introduction to Reading Ministry of Education Editorial Bureau Mei 17.3
https://dl.ndl.go.jp/pid/901674/1/4

Introduction to Beginners Written by Sogoro Sato Publisher Toshiro Katano
Akira 16.7
https://dl.ndl.go.jp/pid/811037/1/2

Introduction to Beginners, 3rd edition, edited by Hiroshi Kinugasa, Tsuneo Kobayashi, and edited by Chiho Inagaki.
Seiundo Akira17.5
https://dl.ndl.go.jp/pid/811036/1/3

・Advanced 265 characters from the list of hentai kana for academic information exchange
https://cid.ninjal.ac.jp/kana/list/