授業参観 (じゅぎょうさんかん) — parents' day (day when parents observe their children in school)
授業参観
じゅ ぎょ う さ ん か ん
Parents' day (day when parents observe their children in school)
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授業参観 (じゅぎょうさんかん) — parents' day (day when parents observe their children in school)
