Once you have purchased your volumes on the izneo website or on the izneo app (iOS or Android), you will find it in your library.
On the website you can access your library by clicking on the icon at the top right-hand corner showing three books, two stacked and one leaning against them.
Via the Android app, go into “My comics” at the bottom right-hand corner of the app
Via the iOS app, tap on the icon at the bottom right-hand corner of the app showing three books, two stacked and one leaning against them.
Via Nintendo Switch, go into “My comics”