開いた本のイラスト（青色のノート）
Schlüsselwörter
book,
noto,
open,
sky blue,
page,
illustration,
paper,
text,
journal,
note,
diary,
read,
reading,
blank,
acquaintance,
training,
school,
document,
cover,
literature,
white,
white background,
library,
communication,
object
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