Going to buy mugs with 〜に行く
Grammar Explanation: Going to for a purpose with 〜に行く

Talking about the coffee cups, Cocoa recalls an interesting cup she had found. She suggests going to buy it sometime.
- ココア:
- 「今度買
( いに行( かない?」- “Why don't we go buy some?”
See Also
- Kanji: Measures and degrees with 度
- Kanji: Now and the present with 今