- Anvilicious: Several times. There's a throwaway letter delivery to a gigolo getting beat up by his pimps for impregnating another prostitute... from his aborted child. All it has is a bloody handprint.
- Les Yay: Ran and Nanae get a lot of this in their episode, though it never quite crosses the barrier to full blown Schoolgirl Lesbians. Fumika and Chiaki get a moment or two like this, too. Fumi and Mika.
- Moral Event Horizon: Despite keeping Mika-chan from going to school, Kirameki does a fairly good job for a single father, until he starts carving his rough drafts into her skin with glass pens.
- The Woobie: Plenty