[복구 요청]One-up 2종 (별하늘의 바빌론 , 성 브륜힐데)

The protagonist is tricked by his grandmother to take a special test to attend school. Little did he know, her grandma, being the former head of school, pulled strings to allow him to attend the famous St. Brunehilde, an all-girls school that focuses on knights/chivalry. His new school life would only get more peculiar when he had sudden encounters with transfer students. A woman who sneaked into his room claiming to be his fiancé and meeting a princess and her overprotective knight who ran him over with a carriage. Somehow, he found himself being surrounded by beautiful knights in his new school life.

In the Universal Century of 2068, men are incredibly rare, and the protagonist, Galaxy Amanogawa, finds himself targeted by the Cosmic Race, a group of humanoid space monster girls appearing from a wormhole. These beings aim to mate with human males for reproduction. Despite Galaxy's lack of experience, with the help of the ship's captain and other heroines, they fend off the attacks. However, as a valuable male target, Galaxy remains a constant focus for the Cosmic Race, leading to continued attacks and challenges. [Condensed from DLsite]