Blue Archive · student
Koyuki (Pajamas)
Mystic, LightArmor
Lv.100Combat
UrbanSOutdoorDIndoorB
Stats · Lv.100 Stats at any level →
HP21850
ATK2453
DEF584
Heal5139
Crit266
Crit DMG200%
Crit RES100
Stability1504
Accuracy691
Evasion187
Range1000
DEF Pen—
CC Power100
CC RES100
Ammo1
Ammo cost1
Move Speed200
Heal Effectiveness10000
Skills
I Never Expected This!
Removes 1 debuff from 1 ally. Increases Crit DMG of ally Strikers by 15.4% (for 30 sec). Triples the Crit DMG increase if a debuff is removed.
Drag to see per-level scalingBoom, Bang
Deals 444% of ATK as damage to enemies within a fan-shaped area every 40 sec. Deals 177% of ATK as additional damage to extra-large enemies.
Drag to see per-level scalingAesthetics of All-Nighters+
Increases Crit DMG by 3800. Also increases ATK by 26.6%.
Drag to see per-level scalingThe Pajama Effect
Increases ally ATK SPD by 17.3%.
Drag to see per-level scalingLoved gifts · raise this student's affinity the most
Board Game "The Life"SSRWavecat PillowSR
Liked gifts · genre favorites — extra affinity
Lace PillowSSRCosplayer Coke-Bottle GlassesSRExtravagant Gilded Jar of GreedSRJellies CushionSRPotted Bug-Eating PlantSR
Star levels · credits and Eleph per star
2★
10,000 Credit Points + 30x Koyuki (Pajamas)'s Eleph
3★
40,000 Credit Points + 80x Koyuki (Pajamas)'s Eleph
4★
200,000 Credit Points + 100x Koyuki (Pajamas)'s Eleph
5★
1,000,000 Credit Points + 120x Koyuki (Pajamas)'s Eleph
Skill levels · per skill slot, per level
EX skill Lv.1 → 2
80,000 Credit Points + 12x Beginner Tactical Training Blu-ray (Millennium) + 17x Ancient Battery Piece
Basic / Enhanced / Sub skill Lv.1 → 2
5,000 Credit Points + 5x Beginner Tech Notes (Millennium)
EX skill Lv.2 → 3
500,000 Credit Points + 12x Normal Tactical Training Blu-ray (Millennium) + 18x Beginner Tactical Training Blu-ray (Millennium) + 13x Broken Ancient Battery + 31x Mandrake Seed
Basic / Enhanced / Sub skill Lv.2 → 3
7,500 Credit Points + 8x Beginner Tech Notes (Millennium)
EX skill Lv.3 → 4
3,000,000 Credit Points + 12x Advanced Tactical Training Blu-ray (Millennium) + 18x Normal Tactical Training Blu-ray (Millennium) + 11x Damaged Ancient Battery + 26x Mandrake Sprout
Basic / Enhanced / Sub skill Lv.3 → 4
60,000 Credit Points + 5x Normal Tech Notes (Millennium) + 12x Beginner Tech Notes (Millennium) + 5x Ancient Battery Piece
EX skill Lv.4 → 5
10,000,000 Credit Points + 8x Superior Tactical Training Blu-ray (Millennium) + 18x Advanced Tactical Training Blu-ray (Millennium) + 7x Intact Ancient Battery + 22x Mandrake Juice
Basic / Enhanced / Sub skill Lv.4 → 5
90,000 Credit Points + 8x Normal Tech Notes (Millennium) + 5x Broken Ancient Battery + 12x Mandrake Seed
Basic / Enhanced / Sub skill Lv.5 → 6
300,000 Credit Points + 5x Advanced Tech Notes (Millennium) + 12x Normal Tech Notes (Millennium) + 10x Broken Ancient Battery + 19x Mandrake Seed
Basic / Enhanced / Sub skill Lv.6 → 7
450,000 Credit Points + 8x Advanced Tech Notes (Millennium) + 3x Damaged Ancient Battery + 17x Mandrake Sprout
Basic / Enhanced / Sub skill Lv.7 → 8
1,500,000 Credit Points + 8x Superior Tech Notes (Millennium) + 12x Advanced Tech Notes (Millennium) + 4x Intact Ancient Battery + 8x Mandrake Juice
Basic / Enhanced / Sub skill Lv.8 → 9
2,400,000 Credit Points + 12x Superior Tech Notes (Millennium) + 9x Intact Ancient Battery + 14x Mandrake Juice
Basic / Enhanced / Sub skill Lv.9 → 10
4,000,000 Credit Points + 1x Secret Tech Notes
Weapon stars · cost per unique-weapon star
Unique weapon 2★
1,000,000 Credit Points + 120x Koyuki (Pajamas)'s Eleph
Unique weapon 3★
1,500,000 Credit Points + 180x Koyuki (Pajamas)'s Eleph
Unique weapon 4★
2,000,000 Credit Points + 200x Koyuki (Pajamas)'s Eleph
Unique weapon 5★
2,500,000 Credit Points + 1x Koyuki (Pajamas)'s Eleph
Unique Weapon
Mulli-Gun
Machine gun that's supported Koyuki through thick and thin.
Unlike its mischievous owner, it steadfastly supports its owner without comment. ...Or, perhaps, the gun doesn't think much at all.
Transcendence · per-star stat bonuses
★★★ATK +10.0% HP +5.0% Heal +7.5%★★★★★ATK +12.0% HP +7.0% Heal +10.0%
Bond bonuses · max affinity
DEF+167HP+1145
Equipment slots
ShoesBadgeWatch
Profile
Full nameKurosaki Koyuki
Age15 years old
BirthdayFebruary 14th
Height4'11"
School year1st Year
IllustratorBlanchat
Voice actor乾夏寧
HobbyTesting her luck, escaping
MottoI did it, but it's not my fault!
Millennium Seminar's genius troublemaker. She's wearing pajamas that Yuuka gifted her. However, regardless of the outfit, Koyuki is always Koyuki, and her free-spirited attitude is as strong as ever.
How Koyuki (Pajamas) compares · vs 54 ★★★ Mystic students
Measured against 54 comparable students, Koyuki (Pajamas) is above average for its cohort (73rd percentile on average). Its strongest number is Crit at 266 — 92nd percentile, rank 5 of 54 — while ATK is its weakest at 2453, ranking 28 of 54.
HP21850
56th percentile · rank 24 of 54 · cohort median 21420 (+2%)
ATK2453
49th percentile · rank 28 of 54 · cohort median 2459 (0%)
DEF584
84th percentile · rank 9 of 54 · cohort median 136 (+329%)
Heal5139
82nd percentile · rank 10 of 54 · cohort median 4421 (+16%)
Crit266
92nd percentile · rank 5 of 54 · cohort median 216 (+23%)
Closest students · nearest on ATK
Build a team with Koyuki (Pajamas) →
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Patch history · 1 recorded change
Patch 1.90.4391702026-07-18Added
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