Getsurin Kuyou can be obtained by having Osakabehime reach Bond Level 10.
Princess' Origami is an exclusive CE to Osakabehime.
Rashoumon event (Ibaraki Douji event)
Murder at the Kogetsukan
Inheritance of Glory
Best Craft Essence: Craft Essence Tier List
Black Holy Grail (The Black Grail)
FGO Reroll Tier List [5/11 updated!]
5 Star Servants Tier List: Best Servants [5/9 updated!]
Merlin
Holy Night Sign
Alexander
Ereshkigal
Arthur Pendragon(Prototype)
Gorgon