Just saw that she's a slice type. Nice, since Anri is the only 5 star Slice Girl I currently have.
Why don't you go Boobranium or Lechu-chan? They are both very solid for event girl with 1.2x skill and bloomable for Geranium. Lechu-chan can hit 2 targets and that's rare for event girl.
FKG ID
DMM ID: 561075604 (106/107)
IGN: Dusk
[Just a guy with bad self control and blow his gems for more salt and sodium chloride]