From Lezhin: Yeon Jang Hwa is a more or less average college student: she attends a pretty good university, is not too ugly, and has a nice boyfriend. Her a twin sister, Hong Reon, on the other hand, is the opposite. Being the good sister she is, Jang Hwa sets out to help her twin sister... but at what price? The truth is in the details. Original Webcomic http://www.lezhin.com/ko/comic/twin 

From Lezhin:
The era of the anonymous hero has ended, and the world's protectors - the Magical Girls - now live their lives in near celebrity status. But it turns out these protectors are really school bullies in their everyday lives. One day, a new, never-before-seen Magical Girl appears with a proclamation of war against the original Magical Girls! With imagery reminiscent to your favorite planetary protectors, Miss Guillotine promises nostalgic visuals with a dark premise.