💡Intimacy Progression Strategy Tip

Register your birthday in Settings and set a reminder for December 16th. These two dates provide 2.0x and 1.5x XP multipliers that apply multiplicatively on top of your existing streak bonus!

Progression & Milestone Simulator

Affection & 100-Hour Milestone Simulator

Model diminishing returns on daily interactions, forecast time-to-cap for Tier 10 Intimacy, and track the 100h "Her Morphean Paradox" trophy.

Daily Routine & Interaction Rates

Daily Headpats15 / day (75 XP)
0Diminishing returns after 1050 (Max Cap)
Daily Dialogue Exchanges8 / day (96 XP)
010 (Full XP)30
Daily Cakes Baked1 cake(s) (81 XP)
Avg Cake Perfection Score85 / 100
Desktop Companion Hours4 hrs/day (140 XP)
Login Streak7 Days (10% Bonus)
Pacing Breakdown
+431
Daily Total XP
25d
To 100h Trophy
24d
To Tier 10 Cap

30-Day Cumulative Affection Forecast (XP)

Affection Tiers & Estimated Unlock Dates

Tier 2: Acquaintance
Desktop wandering unlocked • Sticky notes
~2 days
500 XP
Tier 3: Friendly Companion
Pomodoro cheer voice lines • Pajama sleepwear
~3 days
1200 XP
Tier 4: Trusted Partner
Sunflower Sundress unlock • Philosophy 101 dialogue
~6 days
2200 XP
Tier 5: Cherished Bond
Custom cake toppings • Afternoon tea invitation
~9 days
3500 XP
Tier 6: Kindred Spirits
Cozy Winter Turtleneck unlock • Extended sleep routines
~12 days
5000 XP
Tier 7: Inseparable
Exclusive window-sitting poses • Mood stabilization
~16 days
6800 XP
Tier 8: Soul Connection
Gothic Lolita unlock • Deep existential confession
~19 days
8000 XP
Tier 9: Eternal Reverie
All special sticky notes revealed
~22 days
9200 XP
Tier 10: Celestial Covenant
Starlight Bridal Gown unlock • Permanent zero mood decay
~24 days
10000 XP

More The NOexistenceN of Lilith Companion Tools

🎂 Cake Baking Solver

Thermodynamics, ingredient harmony, and affection gain.

⏱️ Pomodoro Focus Optimizer

Plan 25/5 and 50/10 focus intervals with Lilith cheer motivation buffs.

🏆 18 Achievements Guide

Checklist, secret unlock conditions, and strategy tips.

Frequently Asked Questions

How does the daily headpat diminishing returns formula work?

The first 10 headpats grant 6 XP each (60 XP). The next 15 grant 3 XP each (45 XP). Any headpats beyond 25 grant 1 XP each, capped at a maximum 130 XP per calendar day.

What is the login streak bonus cap?

Login streaks grant +5% bonus XP for every 3 consecutive days of companion activity, scaling up to a maximum +30% XP multiplier (1.30x) at 18+ days streak.

How many total XP are required for Tier 10 (Celestial Covenant)?

Tier 10 requires exactly 10,000 cumulative Affection XP. With consistent daily play (4h active + 10 chats + 1 cake bake), players reach Tier 10 in approximately 22-26 days.