This is for the NG+ (Playthrough #2). If you're looking for other files:

NG files: (Playthrough #1)
https://www.nexusmods.com/sekiro/mods/269

NG+2 files: (Playthrough #3)
https://www.nexusmods.com/sekiro/mods/327

----------------
- How to import save files?
1. Download and extract the main file (multi or NG+ only).
2. Download Simple Sekiro Savegame Helper.
3. Choose any file and extract.
4. Import Foreign Savegame (e.g., "S0000.sl2") via Simple Sekiro Savegame Helper
5. Start the game.
---------------

---------- The "NG+2" ----------

===========================
Total Sen: 103722
---------------
Quick Items
---------------
Name: Total
Pallet: 732
Divine Grass: 18
Persimmon: 8
Fine Snow: 1
Sweet Rice Ball: 2
Dragon's Blood Droplet: 28
Bundled Jizo Statue: 26
Jinza's Jizo Statue: 1
Antidote Powder: 385
Contact Medicine: 70
Dousing Powder: 183
Ministry Dousing Powder: 396
Pacifying Agent: 302
Eel Liver: 216
Ako's Sugar: 701
Ungo's Sugar: 882
Gokan's Sugar: 303
Gachiin's Sugar: 157
Yashariku's Sugar: 77
Mibu Balloon of Wealth: 51
Mibu Possession Balloon: 45
Mibu Balloon of Spirit: 41
Mibu Balloon of Soul: 133
Divine Confetti: 510
Red Lump: 8
Red Lump: 1
Academics's Red Lump: 1
Ceramic Shard: 258
Fistful of Ash: 265
Oil: 529
Snap Seed: 370
Hidden Tooth: 1
Bite Down: 10
Bite Down: 1
Light Coin Purse: 117
Heavy Coin Purse: 109
Bulging Coin Purse: 31
---------------
Key Items
---------------
Ashina Sake: 1
Monkey Booze: 1
Dragonspring Sake: 3
Treasure Carp Scale: 26
---------------
Upgrade Materials
---------------
Scrap Iron: 327
Scrap Magnetite: 679
Adamantite Scrap: 128
Black Gunpowder: 460
Yellow Gunpowder: 204
Fulminated Mercury: 64
Lump of Fat Wax: 308
Lump of Grave Wax: 80
Lapis Lazuli: 2
---------------
Stats
--------------
===NG===
Base Attack Power = 1
Bosses Defeated = 13
5 Skills / Attack Power = 1
1 + 13 + 1 = 15 Attack power
===NG+===
Base Attack Power = 15
Bosses Defeated = 13
5 Skills / Attack Power = 1
15 + 13 + 1 = 29 Attack power
===========================

---------- The "Multi Save" ----------

How to:
Extract .rar file, then you will notice the list of following .rar files:

sekiro_20190503-175900PM-Ashina-Outskirts-Samurai_General_Naomori_Kawarada.rar
sekiro_20190503-181215PM-Ashina_Outskirts-Wall_Stairs-Chained_Ogre.rar
sekiro_20190503-195029PM-Ashina_Outskirts-Wall_Stairs-Samurai_General_Tenzen_Yamauchi.rar
sekiro_20190503-214954PM-Hirata_Estate-Juzuo_the_Drunkard.rar
sekiro_20190503-221313PM-Hirata_Estate-Lady_Butterfly.rar
sekiro_20190503-222449PM-Ashina_Outskirts-Underbridge_Valley-Great_Serpent.rar
sekiro_20190503-223837PM-Ashina_Outskirts-Gyoubu_Oniwa_Boss.rar
sekiro_20190503-230746PM-Ashina_Castle-Blazing_Bull.rar
sekiro_20190503-232805PM-Senpou_Temple_Mount_Kongo-First_Idol.rar
sekiro_20190504-000221AM-Ashina_Castle_Steps-Samurai_General_Kuranosuke_Matsomoto.rar
sekiro_20190504-010804AM-Ashina_Castle-Upper_Tower_Dojo-Ashina_Elite-Jinsuke_Saze.rar
sekiro_20190504-011815AM-Ashina_Castle-Genichiro_Ashina.rar
sekiro_20190504-174853PM-Ashina_Castle-Genichiro_Ashina(Defeated).rar
sekiro_20190504-183530PM-Senpou_Temple-Mount_Kongo-Armored_Warrior.rar
sekiro_20190504-185636PM-Senpou_Temple_Mount_Kongo-Long_Arm_Centipede_Sen-Un.rar
sekiro_20190504-190738PM-Senpou_Temple_Mount_Kongo-Folding_Screen_Monkeys.rar
sekiro_20190504-191328PM-Senpou_Temple_Mount_Kongo-Folding_Screen_Monkeys(Defeated).rar
sekiro_20190504-194057PM-Ashina_Reservoir-Seven_Ashina_Spears-Shikibu_Toshikatsu_Yamauchi.rar
sekiro_20190504-194653PM-Ashina_Reservoir_Well-Lone_Shadow_Longswordsman.rar
sekiro_20190504-200510PM-Sunken_Valley-Snake_Eyes_Shirafuji.rar
sekiro_20190504-224400PM-Sunken_Valley-Long-arm_Centipede_Giraffe.rar
sekiro_20190504-225302PM-Sunken_Valley-Passage-Great_Serpent.rar
sekiro_20190505-024014AM-Ashina_Depths-Poison_Pool-Snake_Eyes_Shirafuji.rar
sekiro_20190505-061334AM-Ashina_Depths-Hidden_Forest-Tokujiro_the_Glutton.rar
sekiro_20190505-062406AM-Ashina_Depths-Mibu_Village.rar
sekiro_20190505-213336PM-Ashina_Depths-Mibu_Village-O'Rin_of_the_Water.rar
sekiro_20190505-221127PM-Ashina_Depths-Mibu_Village-Corrupted_Monk.rar
sekiro_20190505-221453PM-Ashina_Depths-Mibu_Village-Corrupted_Monk(Defeated).rar
sekiro_20190505-231157PM-Sunken_Valley-Bodhisattva_Valley-Guardian_Ape.rar
sekiro_20190506-030658AM-Sunken_Valley-Bodhisattva_Valley-Guardian_Ape(Defeated).rar
sekiro_20190506-053040AM-Ashina_Depths-Headless_Ape.rar
sekiro_20190506-162428PM-Ashina_Depths-Headless_Ape(Defeated).rar
sekiro_20190506-163329PM-Ashina_Depths-Shichimen_Warrior.rar
sekiro_20190506-170114PM-Sunken_Valley-Bodhisattva_Valley-Lotus_Of_The_Palace.rar
sekiro_20190506-171615PM-Ashina_Castle-First_Idol.rar
sekiro_20190506-173056PM-Ashina_Castle-Upper_Tower-Antechamber.rar
sekiro_20190506-210007PM-Ashina_Castle-Lone_Shadow_Masanaga_the_Spear-Bearer.rar
sekiro_20190506-211516PM-Ashina_Castle-Great_Serpent_Shrine-Lone_Shadow_Masanaga_the_Spear-Bearer.rar
sekiro_20190507-022803AM-Great_Shinobi-Owl.rar
sekiro_20190507-025635AM-Great_Shinobi-Owl(Defeated).rar
sekiro_20190507-032618AM-Hirata_Estate-Owl's_Memory-Lone_Shadow_Masanaga_the_Spear-Bearer.rar
sekiro_20190507-175952PM-Hirata_Estate-Owl's_Memory-Juzou_the_Drunkard.rar
sekiro_20190507-192857PM-Hirata_Estate-Owl's_Memory-Father_Owl.rar
sekiro_20190507-225743PM-Hirata_Estate-Owl's_Memory-Father_Owl(Defeated).rar
sekiro_20190507-232834PM-Ashina_Depths-Mibu_Village-Wedding_Cave_Door.rar
sekiro_20190509-000342AM-Fountainhead_Palace-Corrupted_Monk-True_Monk.rar
sekiro_20190509-001025AM-Fountainhead_Palace-Corrupted_Monk-True_Monk(Defeated).rar
sekiro_20190509-002845AM-Fountainhead_Palace-Mibo_Manor.rar
sekiro_20190509-005426AM-Fountainhead_Palace-Sakura_Bull.rar
sekiro_20190509-022235AM-Fountainhead_Palace-Great_Sakura-Okami_Leader_Shizu.rar
sekiro_20190509-024830AM-Fountainhead_Palace-Shichimen_Warrior.rar
sekiro_20190509-033151AM-Fountainhead_Palace-Gaint_Carp_Fish.rar
sekiro_20190509-034204AM-Fountainhead_Palace-Feeding_Grounds(Idol).rar
sekiro_20190509-034923AM-Fountainhead_Palace-Near_Pot_Noble(Idol).rar
sekiro_20190509-042114AM-Ashina_Depths-Bottomless_Hole-Shichimen_Warrior.rar
sekiro_20190509-043101AM-Ashina_Outskirts-Headless.rar
sekiro_20190509-045010AM-Ashina_Depths-Hidden_Forest-Headless.rar
sekiro_20190509-183239PM-Sunken_Valley-Under_Shrine_Valley-Headless(water_cave).rar
sekiro_20190509-194551PM-Ashina_Castle-Headless(Underwater).rar
sekiro_20190509-225030PM-Fountainhead_Palace-Headless(Under_Water).rar
sekiro_20190510-005654AM-Fountainhead_Palace-Divine_Dragon.rar
sekiro_20190510-010348AM-Fountainhead_Palace-Divine_Dragon(Defeated).rar
sekiro_20190510-011137AM-Ashina_Castle-Upper_Tower-Antechamber(Idol).rar
sekiro_20190510-011741AM-Ashina_Castle-Upper_Tower-Ashina_Dojo(Idol).rar
sekiro_20190510-012541AM-Ashina_Castle-Ashina_Elite_Ujinari_Mizuo(Red_Eyed).rar
sekiro_20190510-013823AM-Ashina_Castle-Old_Grave(Idol).rar
sekiro_20190510-013950AM-Ashina_Outskirts-Great_Serpent_Shrine(Idol).rar
sekiro_20190510-014658AM-Ashina_Castle-Ashina_Castle(Idol).rar
sekiro_20190510-015144AM-Ashina_Castle-Chained_Ogre.rar
sekiro_20190510-020437AM-Ashina_Castle-Ashina_Reservoir-Seven_Ashina_Spears.rar
sekiro_20190510-025226AM-Ashina_Outskirts-Shigekichi_of_the_Red_Guard.rar
sekiro_20190510-221426PM-Ashina_Outskirts-Demon_of_Hatred.rar
sekiro_20190510-222344PM-Ashina_Outskirts-Demon_of_Hatred(Defeated).rar
sekiro_20190510-223932PM-Ashina_Reservior-Isshin_the_Sword_Saint.rar
sekiro_20190510-231413PM-Ashina_Reservior-Isshin_the_Sword_Saint(Defeated).rar
sekiro_20190510-232357PM-Game_Ended(Playthrough 3).rar

?? All bosses and mini-bosses defeated. 100% skills acquired (Except One mind), 100% Prosthetic tools unlocked.

Enjoy.