古河 ConceptBar GRASSの営業時間は決まっていますか？
固定の営業時間としては未確認です。公式SYSTEMページの公開スニペットには「昼の部13:00-19:00」「夜の部17:00-LAST（来店数で異なる）」という記載が見えますが、確定情報とまでは言えないため、訪問前に公式サイトで当日の営業を確かめるのが確実です。
茨城県 古河市Koga, Ibaraki
JR古河駅Koga Station (JR)本日 料金不明Confirm current prices with the venue.
本日の予告人数
対象なしNot applicable
【お願い】店舗の受付で『ハプバーイキタイ』を見て来ましたとお伝えください。
Confirm today's opening status, admission rules, prices, and required identification through the venue's official website or social account before leaving.
Use the price-plan section above as a guide. The total can vary by day, guest type, event, membership fee, and extensions, so confirm the current total through official information.
Use the map to plan your route, then check the venue's official directions for the exact entrance and reception procedure. Some pins are intentionally approximate for privacy.
It is an estimate derived from public visit notices, recent activity, events, and estimated female share. Data freshness is shown separately and does not affect the score. The forecast is not a live count and does not guarantee attendance or conditions inside.