wait. . did she just do with 2 roll gacha and got archer SR EMIYA? i envy her luck :(
You could argue that she herself is the catalyst.
Papa.Yup.SFX: charan~! I have come forth in response to your summons.Senpai, your Mother is also a Beauty.Wh-? Eh...Please let me call you Father-in-Law!Understands what's going on, more or less. I'm Servant Archer.Who again?