しつだい
Meanings
Noun
1. geological age; geological era
Used inUsed in %
Anime0(0%)
Live action0(0%)
Visual novels1(0%)
Novels3(0%)
Non-fiction1(0%)
Web novels0(0%)
Aozora Bunko3(0%)

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Cover of Yasashii Jikan
Book (non-fiction)
Yasashii Jikan
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