The Last Man Concepts

Bathing Scenes, while occasionally meaningful to plot or character development, are generally excuses for fan service.

A bully is a person who habitually badgers and intimidates smaller or weaker people.

It's use can be intended to be shockingly disturbing or hilariously absurd.

A Jorōgumo is a spider that can change its appearance into that of a seductive woman.

Common visual conventions seen in manga and anime to convey emotions, often for comical effect.