Learning on 04/18/2026
民法 債権債務の移転Apr 18, 2026, 12:01:16 AM
Study time: 50 seconds
Today's learning: 1
Consecutive study days: 3
Difficult review: 1
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Apr 18, 2026, 12:01:16 AM
Study time: 50 seconds
Today's learning: 1
Consecutive study days: 3
Difficult review: 1