Learning on 05/16/2026

不動産物権変動 債務不履行　履行遅滞　履行不能 留置権

May 16, 2026, 7:20:50 AM

Study time: 1 minute(s)
Today's learning: 10
Consecutive study days: 2
Difficult review: 1
All tasks completed!

mameokun

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