Kageki Doinran Idol Unit ni Nakadashi Matsuri! Bakunyuu Ninki Idol-tachi ni Jusei o Kongan Sarete The Motion Anime

Kageki Doinran Idol Unit ni Nakadashi Matsuri! Bakunyuu Ninki Idol-tachi ni Jusei o Kongan Sarete The Motion Anime - an adaptation of the manga of the same name by Execio, released in 2023. 

The human population requires careful control. The balance is maintained by so-called "sex-angels", which release their fluids as rain onto a certain group of people who need to reproduce. The protagonist, Yamato Ogami, unexpectedly receives a large amount of slime on his head by accident. He is an ordinary chubby virgin, working as a manager at a business company. That day, the hero went to a concert of his favorite idol group Love Lotion, who perform in very revealing outfits. Yamato got very excited during the concert and very much wished to fuck three members of the group - Saiya, Kurumi, and Iris. That same night, he wakes up from a strange feeling. Opening his eyes, Yamato finds all three members of Love Lotion greedily licking his penis...