yt

user(a472957ad7e4)  Nov 9, 2025, 11:50:56 PM Study time: 3 minute(s)
Today's learning: 34
New: 3
Consecutive study days: 14
Difficult review: 1
簡単 yt IT

user(a472957ad7e4)  Nov 6, 2025, 9:33:38 PM Study time: 3 minute(s)
Today's learning: 39
Consecutive study days: 11
Difficult review: 1
IT yt ビジネス

user(a472957ad7e4)  Nov 5, 2025, 5:24:52 AM Study time: 8 minute(s)
Today's learning: 126
New: 3
Consecutive study days: 9
Difficult review: 1
yt 簡単 ビジネス