Yurika Hoshimiya is a female college student who is a student teacher, and at the same time, she uses the power of ancient science to fight evil and protect peace from the shadows as a masked beauty saint warrior Eclipse.One day, at the end of her work, she received a message from Yuka, her senior teacher, inviting her to dinner, but the person himself disappeared in the school.Mysterious monsters appear in front of Yurika, who she is looking for, and it becomes a battle.Asking for help, Professor Sakamoto suddenly changed, combining the leeches and evolving them into the monster Yadamon.Biting tentacles entangle Eclipse and attempt to crucify Yadamon's body.Imprisoned by Yadamon, who has turned into a tentacle cross, Eclipse is unable to move. [BAD END]