Experience returning home for a backpack with 〜た+ことがある
Grammar Explanation: Previous experience with 〜た+ことがある

Chiya recalls the time when Syaro had returned home having forgotten her backpack at school.
- 千夜:
- 「シャロちゃんは学校
( にランドセルを忘( れたまま帰( ってきた事( があったわ」- “Sharo-chan once came home having left her backpack at school.”
- Literal: “There was a time when Sharo-chan came home having left her backpack at school.”
- “Sharo-chan once came home having left her backpack at school.”
Key Points
- ちゃん is an affectionate, informal suffix attached to names, used mainly for children, close friends, and family members.
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