[Tsunashima Shirou(綱島志朗)] Orichalcum Reycal Duo (オリハルコン レイカル DUO) - Vol.02 [2014-12-27][Fusion]
Code:
http://katfile.com/bxvp6fiptgdv.html
No real physical change besides her hair but very SW related, funny how she isn't accustomed to her new body, size and strength wise.
She later fuses out of curiosity to follow a beetle, and then only to fight until the end of the manga.