Garash said: If you wanna get technical, the first user of curvy laser was letty.
Yuyuko also used some on some spellcards, so I guess that she win since she's the oldest.
I call bullshit. Shinki existed way longer than either of them, both storywise and gamewise, and SHE was the first to use curvy lasers, both metaphorical and literal (respectively her red laser storm and her homing cheeto lasers, the latter of which actually curved and reshaped).
OkashiiNaito said: I call bullshit. Shinki existed way longer than either of them, both storywise and gamewise, and SHE was the first to use curvy lasers, both metaphorical and literal (respectively her red laser storm and her homing cheeto lasers, the latter of which actually curved and reshaped).
To be fair, either Yuki or Mai (I forget which) used curving lasers even before Shinki.