Alignment You! You!

Oohara is lovely, full-figured and in love--and a ghost. Death has thrown a huge crimp into her plans to confess to the boy she loves. But this is hentai....Oohara can do what she wants, including getting off in the middle of her classroom. But no one can see her exhibitionist frenzy, not even the boy she loves. Then she meets Sakurako, the ghost girl who haunts the boys' bathroom. She seems to take pity on Oohara and says she'll help fulfill Oohara's wish...

(Source: MU)