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Illust
Sprite
Halo
The list of seasonal
Hayase Yuuka Hayase Yuuka(Gym) Hayase Yuuka(Pajama)
Hayase Yuuka
早瀬(はやせ)ユウカ()
Millennium Science School 2nd Year
Seminar
Default2/Max5
Introduce
The treasurer of Seminar, the student council of Millennium Science School.

Yuuka has a mathematical acumen that is notable even among Millennium's high ratio of STEM students. She oversees the entirety of Millennium's budget. Her special talent is the abacus, and she has a habit of fiddling with the beads when dealing with emotional or mental conflicts.
Momo Talk Status Message
Just as I calculated...
Information
Club Seminar
Age 16 years old
Height 5'1"
Birthday March 14th
Hobby Doing calculations
Voice Actor

春花らん

Shin Nari
Illust Hwansang
Design Hwansang

Default Stats

HP 3147 ATK 119
DEF 29 HEAL 1505
Accuracy 100 Evasion 1440
Crit 200 Crit DMG 200%
Stability 1396 Normal Attack Range 350
Crowd Control Power 100 Crowd Control RES 100
Cost Recovery 700

* HP, ATK, and HEAL of characters other than ★1 are not accurate.

* Level 1, base default star.

Tanker
Attack Type
Explosive
Defense Type
Heavy
FRONT
Terrain Adaptation
Equipment
1T
Pink SneakersServal Metal BadgeTraffic Safety Amulet
2T
Shearling BootsManaslu Felt BadgeHeat Pack
3T
Pinky-Paca SlippersAngry Adelie ButtonPeroro Feather
4T
Antique Enamel LoafersVeronica Embroidered BadgeCross
5T
Tactical BootsKazeyama PatchCamo Daruma
6T
Heeled PumpsCoco Devil Silver BadgeVoodoo Doll
7T
Casual SneakersStreet BadgePortable Deodorant
8T
Waterproof Hiking BootsLorelei BadgeDreamcatcher
9T
Aqua SandalsHarpia Rubber PatchShark Teeth Amulet
Gift List
Brain Teaser Puzzle Cube
Airbook Rare
Nutrient-Packed Multivitamin Gummies
Exclusive Weapon
SMG(Machine Dagger)
Logic & Reason
A pair of machine guns used by Yuuka. They help Yuuka make rational and intelligent decisions.
Exclusive Weapon
SMG(Machine Dagger)
Logic & Reason
A pair of machine guns used by Yuuka. They help Yuuka make rational and intelligent decisions.
Lv. Limit Breakthrough
★1 30
★2 40 Optimal Solution ⟶ Optimal Solution+
★3 50 Enhance Urban Warfare Terrain Strength to B ⟶ A
★4 60
★5 70
Stats Information
Lv.304050
ATK156195234
HP464658086969
HEAL539674808

Enhanced Skill
(2)

Optimal Solution+

LV. 1Increases Cover Success Rate by 1000. Also increases DEF by 14%.
LV. 2Increases Cover Success Rate by 1050. Also increases DEF by 14.7%.
LV. 3Increases Cover Success Rate by 1100. Also increases DEF by 15.4%.
LV. 4Increases Cover Success Rate by 1300. Also increases DEF by 18.2%.
LV. 5Increases Cover Success Rate by 1350. Also increases DEF by 18.9%.
LV. 6Increases Cover Success Rate by 1400. Also increases DEF by 19.6%.
LV. 7Increases Cover Success Rate by 1600. Also increases DEF by 22.4%.
LV. 8Increases Cover Success Rate by 1650. Also increases DEF by 23.1%.
LV. 9Increases Cover Success Rate by 1700. Also increases DEF by 23.8%.
LV. 10Increases Cover Success Rate by 1900. Also increases DEF by 26.6%.
Favorite
Yuuka's Scientific Calculator
A scientific calculator Yuuka is never seen without. Despite her excellent mental arithmetic skills, Yuuka always double checks her calculations to ensure perfection.
Favorite
Tier Detail
1 Increase status DEF by 500
Favor Rank
15
2 Change Normal Skill: I.F.F. ⟶ I.F.F.
Favor Rank Brain Teaser Puzzle Cube Antikythera Mechanism Piece Broken Antikythera Mechanism Credits
20 4 80 25 500,000

Basic Skill

I.F.F+

LV. 115秒毎に、敵1人に対して攻撃力の329%分のダメージ/ さらに自身の回避値を26%増加（10秒間）
LV. 215秒毎に、敵1人に対して攻撃力の345%分のダメージ/ さらに自身の回避値を26%増加（10秒間）
LV. 315秒毎に、敵1人に対して攻撃力の362%分のダメージ/ さらに自身の回避値を26%増加（10秒間）
LV. 415秒毎に、敵1人に対して攻撃力の428%分のダメージ/ さらに自身の回避値を28.6%増加（10秒間）
LV. 515秒毎に、敵1人に対して攻撃力の444%分のダメージ/ さらに自身の回避値を28.6%増加（10秒間）
LV. 615秒毎に、敵1人に対して攻撃力の461%分のダメージ/ さらに自身の回避値を28.6%増加（10秒間）
LV. 715秒毎に、敵1人に対して攻撃力の527%分のダメージ/ さらに自身の回避値を31.2%増加（10秒間）
LV. 815秒毎に、敵1人に対して攻撃力の543%分のダメージ/ さらに自身の回避値を31.2%増加（10秒間）
LV. 915秒毎に、敵1人に対して攻撃力の560%分のダメージ/ さらに自身の回避値を31.2%増加（10秒間）
LV. 1015秒毎に、敵1人に対して攻撃力の625%分のダメージ/ さらに自身の回避値を33.8%増加（10秒間）
[Open Growth Material][Open Growth Material Count]
Skill Growth Material
Tactical Training Blu-ray
(Millennium Science School)		Tech Notes
(Millennium Science School)		Nimrud LensAntikythera Mechanism

EX Skill
(ex)

Q.E.D.

Cost
LV. 1Casts 190% of Healing as a barrier. Lasts for 15 sec.3
LV. 2Casts 219% of Healing as a barrier. Lasts for 15 sec.3
LV. 3Casts 220% of Healing as a barrier. Lasts for 20 sec.3
LV. 4Casts 245% of Healing as a barrier. Lasts for 20 sec.3
LV. 5Casts 248% of Healing as a barrier. Lasts for 25 sec.3
[Open Growth Material][Open Growth Material Count]
Skill Growth Material
Lv. 1->2
1212
80,000
Lv. 2->3
12181133
500,000
Lv. 3->4
12181027
3,000,000
Lv. 4->5
818920
10,000,000
Growth Material Count
Tactical Training Blu-rays
3030308
Nimrud Lens
1211109
Antikythera Mechanism
332720
13,580,000

Basic Skill
(1)

I.F.F.

LV. 1Deals 301% of ATK as damage to 1 enemy every 15 sec.
LV. 2Deals 317% of ATK as damage to 1 enemy every 15 sec.
LV. 3Deals 332% of ATK as damage to 1 enemy every 15 sec.
LV. 4Deals 392% of ATK as damage to 1 enemy every 15 sec.
LV. 5Deals 407% of ATK as damage to 1 enemy every 15 sec.
LV. 6Deals 422% of ATK as damage to 1 enemy every 15 sec.
LV. 7Deals 483% of ATK as damage to 1 enemy every 15 sec.
LV. 8Deals 498% of ATK as damage to 1 enemy every 15 sec.
LV. 9Deals 513% of ATK as damage to 1 enemy every 15 sec.
LV. 10Deals 573% of ATK as damage to 1 enemy every 15 sec.
[Open Growth Material][Open Growth Material Count]
Skill Growth Material
Lv. 1->2
5
5,000
Lv. 2->3
8
7,500
Lv. 3->4
5124
60,000
Lv. 4->5
8510
90,000
Lv. 5->6
5121120
300,000
Lv. 6->7
8215
450,000
Lv. 7->8
81247
1,500,000
Lv. 8->9
12713
2,400,000
Lv. 9->10
1
4,000,000
Growth Material Count
Tech Notes
25252520
Nimrud Lens
416211
Antikythera Mechanism
301520
Secret Tech Sheet
1
8,812,500

Enhanced Skill
(2)

Optimal Solution

LV. 1Increases DEF by 14%.
LV. 2Increases DEF by 14.7%.
LV. 3Increases DEF by 15.4%.
LV. 4Increases DEF by 18.2%.
LV. 5Increases DEF by 18.9%.
LV. 6Increases DEF by 19.6%.
LV. 7Increases DEF by 22.4%.
LV. 8Increases DEF by 23.1%.
LV. 9Increases DEF by 23.8%.
LV. 10Increases DEF by 26.6%.
[Open Growth Material][Open Growth Material Count]
Skill Growth Material
Lv. 1->2
5
5,000
Lv. 2->3
8
7,500
Lv. 3->4
5124
60,000
Lv. 4->5
8510
90,000
Lv. 5->6
5121120
300,000
Lv. 6->7
8215
450,000
Lv. 7->8
81247
1,500,000
Lv. 8->9
12713
2,400,000
Lv. 9->10
1
4,000,000
Growth Material Count
Tech Notes
25252520
Nimrud Lens
416211
Antikythera Mechanism
301520
Secret Tech Sheet
1
8,812,500

Sub Skill
(3)

Speedy Mental Calculations

LV. 1Recovers 75% of Healing as HP when taking cover (cooldown: 10 sec).
LV. 2Recovers 78.7% of Healing as HP when taking cover (cooldown: 10 sec).
LV. 3Recovers 82.5% of Healing as HP when taking cover (cooldown: 10 sec).
LV. 4Recovers 97.5% of Healing as HP when taking cover (cooldown: 10 sec).
LV. 5Recovers 101% of Healing as HP when taking cover (cooldown: 10 sec).
LV. 6Recovers 105% of Healing as HP when taking cover (cooldown: 10 sec).
LV. 7Recovers 120% of Healing as HP when taking cover (cooldown: 10 sec).
LV. 8Recovers 123% of Healing as HP when taking cover (cooldown: 10 sec).
LV. 9Recovers 127% of Healing as HP when taking cover (cooldown: 10 sec).
LV. 10Recovers 142% of Healing as HP when taking cover (cooldown: 10 sec).
[Open Growth Material][Open Growth Material Count]
Skill Growth Material
Lv. 1->2
5
5,000
Lv. 2->3
8
7,500
Lv. 3->4
5124
60,000
Lv. 4->5
8510
90,000
Lv. 5->6
5121120
300,000
Lv. 6->7
8215
450,000
Lv. 7->8
81247
1,500,000
Lv. 8->9
12713
2,400,000
Lv. 9->10
1
4,000,000
Growth Material Count
Tech Notes
25252520
Nimrud Lens
416211
Antikythera Mechanism
301520
Secret Tech Sheet
1
8,812,500
Memorial Lobby
Show High-resolution Images
Default Lobby Unlock Level 1
Affection Rank Bonus
[Open]
RankADDTOTAL
2Max HP +50Max HP +50
3Max HP +50Max HP +100
4Max HP +50Max HP +150
5Max HP +50Max HP +200
6Max HP +75Max HP +275
7Max HP +75Max HP +350
8Max HP +75Max HP +425
9Max HP +75Max HP +500
10Max HP +75Max HP +575
11Max HP +100
ATK +3		ATK +3
Max HP +675
12Max HP +100
ATK +3		ATK +6
Max HP +775
13Max HP +100
ATK +3		ATK +9
Max HP +875
14Max HP +100
ATK +3		ATK +12
Max HP +975
15Max HP +100
ATK +3		ATK +15
Max HP +1075
16Max HP +125
ATK +3		ATK +18
Max HP +1200
17Max HP +125
ATK +3		ATK +21
Max HP +1325
18Max HP +125
ATK +3		ATK +24
Max HP +1450
19Max HP +125
ATK +3		ATK +27
Max HP +1575
20Max HP +125
ATK +3		ATK +30
Max HP +1700
21Max HP +32
ATK +1		ATK +31
Max HP +1732
22Max HP +32
ATK +1		ATK +32
Max HP +1764
23Max HP +32
ATK +1		ATK +33
Max HP +1796
24Max HP +32
ATK +1		ATK +34
Max HP +1828
25Max HP +32
ATK +1		ATK +35
Max HP +1860
26Max HP +32
ATK +1		ATK +36
Max HP +1892
27Max HP +32
ATK +1		ATK +37
Max HP +1924
28Max HP +32
ATK +1		ATK +38
Max HP +1956
29Max HP +32
ATK +1		ATK +39
Max HP +1988
30Max HP +32
ATK +1		ATK +40
Max HP +2020
31Max HP +48
ATK +1		ATK +41
Max HP +2068
32Max HP +48
ATK +1		ATK +42
Max HP +2116
33Max HP +48
ATK +1		ATK +43
Max HP +2164
34Max HP +48
ATK +1		ATK +44
Max HP +2212
35Max HP +48
ATK +1		ATK +45
Max HP +2260
36Max HP +48
ATK +1		ATK +46
Max HP +2308
37Max HP +48
ATK +1		ATK +47
Max HP +2356
38Max HP +48
ATK +1		ATK +48
Max HP +2404
39Max HP +48
ATK +1		ATK +49
Max HP +2452
40Max HP +48
ATK +1		ATK +50
Max HP +2500
41Max HP +81
ATK +1		ATK +51
Max HP +2581
42Max HP +81
ATK +1		ATK +52
Max HP +2662
43Max HP +81
ATK +1		ATK +53
Max HP +2743
44Max HP +81
ATK +1		ATK +54
Max HP +2824
45Max HP +81
ATK +1		ATK +55
Max HP +2905
46Max HP +81
ATK +1		ATK +56
Max HP +2986
47Max HP +81
ATK +1		ATK +57
Max HP +3067
48Max HP +81
ATK +1		ATK +58
Max HP +3148
49Max HP +81
ATK +1		ATK +59
Max HP +3229
50Max HP +81
ATK +1		ATK +60
Max HP +3310
100ATK +60
Max HP +3310
Dialog

The dialog and voice replay table has been moved to the Voice Recap Watch Mode.