Mermaid Effect

Rand Sievers named the little thing he accidentally brought back "Monster."However, he didn't know that what he was keeping was not some harmless little pet, but a biological weapon secretly manufactured by the government...a real monster.Brief Introduction Version 2——As a former librarian, Rand feels that he has been living an ordinary life (recovering a life in ignorance and unconsciousness every day).Recently, he has been a little distressed, because the pet fish he accidentally brought home seems to have undergone some strange changes... Well, it turned into a mermaid.The Cp of this article is Munster X Rand Content label: Horror┃ Search keywords: Protagonist: Rand┃ Supporting role: Munster Vinson Others: Mermaid biochemical weapon breeding relationship