Fangirl, Vol. 3: The Manga — Rainbow Rowell

Everything in Cath's offline life is going wrong. Just when she's started to realize her feelings for Levi, she sees him kissing someone else. Plus, her writing partner, Nick, is acting strange, and her twin sister, Wren, is suddenly making time for their mother -- the same woman who walked out of their lives ten years ago! When their dad ends up in the hospital, Cath decides it's time to rethink her plans for the future.
But how can she leave the past behind when it keeps showing up at her door?