Kotaro remembers Yukari's words about defeating the "Creation King". In his hometown, a facility for experimenting on kaijins remains, and Bilgenia awaits them. Aoi and her mother are taken captive. Kotaro tries to rescue them, but a "Mantis"stands in his way. In the battle, he learns the truth and his hatred for Bilgenia grows, causing the Black Sun to manifest new powers.
Kamen Rider Black Sun - Season 1 Episode 5 Episode 5
cyborg, monster, race politics, secret organization, superhero, miniseries, based on manga, super power, reboot, masked superhero, discrimination, death of hero, human experiment, scientific experiment, genetic experiment, based on tv series, secret experiment, henshin heroes, evil to good, friends to enemies, tokusatsu, kamen rider