Taking advantage of the beauty being poor, fooling her into being my girlfriend - Chapter 987 - 78: Really Knows How to Enjoy

However, he did not know that he was not raising just a harmless pet, but a biological weapon secretly made by the government… a real monster.

As a former librarian, Rand felt that he had been living an ordinary life, the one that he had reclaimed unconsciously every single day.

Recently, he has been a little upset because the pet fish he accidently brought home to raised seems to have undergo some strange changes

Well, it turned into a merman.

- Description from Novelupdates

Based on the popular Vocaloid series, by HoneyWorks, called “Kokuhoku Yokou Renshuu (Confession Rehearsal)“:

Natsuki, a third-year at Sakuragaoka High School, who holds unrequited feelings for her childhood friend, Yuu, who’s in the Film Club. However, instead of being honest about her feelings, she makes him be her confession “rehearsal” partner. Unable to say her true feelings, things start to get complicated when Miou and Akari, who are also in the Art Club, get involved! Will she ever be able to confess for real!?

Raphael loves women in relationships.It's always been a problem of his. He just can't help it.And now that he's been accepted into the Magical Five Schools, a place filled with some of the most beautiful women he has ever seen, he's able to live out his fantasy to even greater lengths.But his addiction puts him in difficult situations. Some so serious that even his life is put at risk.How will he navigate this new environment, whilst living his life to his most lustful desires?With the help of his unique powers and being granted the S-Rank, Raphael Brooks' will surely live an adventurous life in the Nation of Vailstone.