Citrus. Volume 2 secret love affair with sister

"Yuzu and Mei may be step-sisters, but that's about all the two girls have in common. Yuzu is an outgoing girly-girl who cares more about fashion than school work, while Mei is the serious student council president. Yet despite their differences, or perhaps because of them, the two girls find themselves drawn to each other ... Mei has been running herself ragged trying to oversee the school, and Yuzu is worried about her. When Mei's dad comes hom...