Main Story

As a rookie architect at Anping Construction, you step into the thunderous chaos of the worksite. But concrete and blueprints aren't your only battles—

▸ Dawn Gu (Heiress Supervisor): Forces you to call her "little sister" while posing as a newbie, hiding childhood scars beneath her armor.
▸ Jade Ling (Ice Queen Boss): Marks your drafting errors in red ink, weaving "big sister" into a sweet prison.
▸ Grace Su (Financial Auditor): Your college crush resurfaces, burying unspoken love in audit reports.
▸ Sunny Lin (Homemaker Cousin): Shoves healing bento boxes into your hands, clinging to "sibling normalcy" like a lifeline.
⚠️ WARNING: When the crane collapses, four screams will shatter every lie...

Gameplay Features

Slot-Style Site Management
▸ Pull the lever for "Construction Day Roulette": React to 60+ symbols to fund your romance!
▸ Combine heroine skills (Unlock post-story):
　・Sunny's Bento: Restore stamina ♥
　・Dawn's Directive: Double rewards 💰
　・Grace's Ledger: Draw extra cards 🃏
　・Jade's Red Pen: Delete junk symbols ✂

Endless Leaderboards
Prove you're the chosen civil engineer! Battle global players in luck-vs-strategy showdowns!

Hidden Ambition
▸ 7 divergent endings — but why choose? Unlock conditions to pursue the... harem route?!