
46 years ago Kurihara Minoru went to the mountains to take pictures, but never returned. Fast forward to the present and he is discovered perfectly preserved in ice. He then miraculously wakes up. The head of the Kurihara household is now Kurihara Norihiko, who is Minoru's son and 52 years old. There are also Minoru's grandson Kensuke and granddaughter Mai. Their family is set for upheaval as their grandfather (who still looks 25, but is now 71) returns to their home.
Ojii-chan wa 25-sai is a Japanese drama of 29,009 characters, with 2,316 unique words and 844 different kanji. Its difficulty rating on Jiten is average, 2.8 out of 5. The full vocabulary list ranks all 2,316 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.