2025/09/26
CharactersCharacter count266,069
Word count113,182
Unique words · 4,640 once
9,979 Unique kanji · 275 once
1,750Avg. sentenceAverage sentence length17.7
Difficulty ≈ Average
Dialogue17.9%
Duration
19 hRatingExternal Rating
85 %Six months after Kento’s second release from a juvenile detention center, he collides with a car and suffers severe injuries. The car’s owner takes pity on him, offering a place to stay until he heals. Kento, who grew up in a harsh environment, gradually changes alongside a man with his own emotional scars.
Genres
Adult Only
Tags
Cohabitation
Male Protagonist
Teacher
Boys' Love
Delinquent
Food
Family
SourcesVNDB
Japanese study overview
lesson is a Japanese visual novel of 266,069 characters, with 9,979 unique words and 1,750 different kanji. Its difficulty rating on Jiten is average, 2.5 out of 5. The full vocabulary list ranks all 9,979 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
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Vocabulary highlights
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.
- 俺I×1,895
- 芳野Chino×507
- 健人Kenji×488
- 言うto say×484
- 思うto think×464
- 中inside×413
- 手hand×283
- 啓史Akifumi×281
- 出るto leave×259
- 顔face×253
- 体body×234
- 自分myself×233
- 美咲Miki×100
- 少年院reformatory×15
- 松葉杖crutch×15
- レジ袋(disposable) shopping bag×13
- 歩行器baby-walker×12
- 河内Kawauchi×11
- 前立腺prostate (gland)×10
- 腹側ventral×10