"My e-reader says 'DRM locked.'" Fix: You cannot remove DRM from a purchased book easily (nor should you illegally strip it). You must read the book on the app/store you bought it from (e.g., Google Play Books app) or an authorized device (like a Kobo for Kobo purchases).
"The text is too small to read." Fix: Most EPUB readers have a "Publisher Layout" vs "Reflowable" option. Toggle to "Reflowable" to increase font size. Alternatively, use two fingers to pinch-zoom on the image panels. heartstopper volume 5 epub
The is the definitive way to read this chapter if you value portability, adjustable lighting, and the ability to carry Nick and Charlie in your pocket. "My e-reader says 'DRM locked