COHABITATION ALLIANCE
read COHABITATION ALLIANCE
read comics COHABITATION ALLIANCE complete and new English in Joei's Hentai. which you can read online for free.
Storyline
Yuki (male) is a kid often treated as a pushover by seniors. Yuki (female) is a girl with a short fuse who won't hesitate to strike first, ask questions later.
What's the relation between the two? For one, they've just become stepsiblings.