Coming to buy coffee mugs with 〜に来る
Grammar Explanation: Coming to for a purpose with 〜に来る

Rize explains to Syaro why she and her friends are at the store.
- リゼ:
- 「喫茶店で使
( うカップ買( いに来( たんだよ」- “We came to buy cups to use at the café.”
- Literal: “We came for buying cups to use at the café.”
- “We came to buy cups to use at the café.”
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