The melonbooks site that sells 天使のカルテ (Angel's Chart) shows a page not from any of the previous works, but from what I can translate, it seems to be more of a teaser for a new upcoming doujin, rather than a completed one.
In the meanwhile, I'll be taking a look at 天使の玩具 and 私の困った彼女について.
I can't believe people are arguing about Maki x Eli and Maki x Nico when the real travesty here is Maki x Miami Heat. I cannot accept this. No self-respecting idol would root for LeBron.