That opening sequence where the teacher just whips it out. Not subtle at all. One moment it's a classroom, the next it's a satanist ritual with a pentagram glow and suddenly everyone's naked and there's a big surprise under the skirt. The animation is rough, like someone drew it on a napkin during a boring lecture, but that's sort of the charm? It doesn't try to be slick. The blonde student's expression when she first sees the dickgirl teacher's cock is this frozen mix of horror and fascination that loops badly but you can't stop watching.
The futanari angle is the whole point here. The teacher, half man half woman, casts a sex spell and the three students just fall into this sweaty pile. Big tits everywhere. The creampie scene with the redhead drags on too long honestly, like the animation cycle needed three more frames but nobody bothered. But the cumshot moment right before that, where the blonde gets it across her face while the other student watches, has this weirdly timed pause that makes it hotter than it should be. You can see the pixels struggle.
Wish the student characters had names. They're just hair colors and breast sizes, which is fine for a quick fap but you forget who's who during the orgy. The teacher's dick appears and disappears between frames sometimes, a glitch that's either lazy or accidentally funny. The hentai logic is peak nonsense. Why does the spell make everyone immediately skilled at things they've clearly never done? The sounds are stock, the kind you'd find in a forgotten zip file from 2006. Still works though. When the satanist teacher finally gets a creampie herself, the loop stutters and it looks like she's vibrating into another dimension. I laughed. I also didn't close the tab.