plot..... mmmmmmmm its superhero who do justice... like a superhero normally.. but he using panties to transform.. HENTAI IS JUSTICEE........
Kyōsuke Shikijō is a high school student skilled in kenpō but slightly incompetent with girls, to the point that his interaction with them makes him get into painful situations. One day, he saves a girl named Aiko Himeno from bullies, whom he's immediately smitten with. When she is taken hostage as part of a bank robbery by a group of criminals, Kyōsuke is forced to take a disguise in order to save her without being recognized by the crooks. (after an earlier incident where he reveals himself on a megaphone) But when he accidentally puts a pair of panties over his head instead of a normal mask, he undergoes a transformation: due to the perverted genetics of his mother (an S&M worker), he is able to awaken the full 100% latent potential of his body! Running out with nothing but the panties and a pair of underwear on a near nude body, Kyōsuke, now christening his masked self as Hentai Kamen, uses his power and perversion to defeat the criminals and save Aiko. However, his troubles have only begun....