Yukie Yaginuma, Kamen Rider Letter.
Her desire for joining DGP iiiiiiis
To lose 10 Kg (not to be rude girl but you can do it at gym or in your house, so your fight has gone to waste since you got shot by Kaizoku Jyamato with an RPG for tryin to fly away which leaves so much opening)
And just like Shirowe, she appeared and died in one episode