
Eripiyo is initially a woman leading a normal life until it is turned upside down after watching a performance of the minor idol group ChamJam, which leads her to becoming obsessed with one of its members, Maina Ichii. Despite Eripiyo's enthusiasm towards her, Maina is consistently the least popular member of the group, leaving Eripiyo to take it upon herself to buy a lot of Maina's merchandise, which mainly involves singles.
Oshi ga Budoukan Ittekuretara Shinu is a Japanese drama of 42,316 characters, with 2,166 unique words and 754 different kanji. Its difficulty rating on Jiten is easy, 1.4 out of 5. The full vocabulary list ranks all 2,166 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.