This is a reference to Kamen Rider Gaim, due to the depth-charge she's putting is in the shape of a lockseed which announces the name of its type when unlocking, as well as the way she's placing it onto her belt.
Probably not so much in context, but having not played the game, all the Kamen Rider posing starts to made her voiced by Asumi Kana (Nyaruko) in my head
This is a reference to Kamen Rider Gaim, due to the depth-charge she's putting is in the shape of a lockseed which announces the name of its type when unlocking, as well as the way she's placing it onto her belt.
While the style of placing a doodad on the belt is indeed similar to Gaim's, the actual henshin pose itself is more like Kuuga's.