鉄壁4

user(d6b69a7bfe3c)  Aug 2, 2025, 8:58:30 AM Study time: 3 minute(s)
Today's learning: 19
Consecutive study days: 1
Difficult review: 1
鉄壁 鉄壁5 鉄壁4

user(d6b69a7bfe3c)  Jul 24, 2025, 5:54:43 AM Study time: 1 minute(s)
Today's learning: 3
New: 1
Consecutive study days: 3
Difficult review: 1
鉄壁 鉄壁4 鉄壁5

user(d6b69a7bfe3c)  Jun 5, 2025, 4:45:24 AM Study time: 9 minute(s)
New: 105
Consecutive study days: 1
Difficult review: 1
鉄壁 鉄壁4 鉄壁3