Mermaid Effect

Rand Silvers named the little creature he accidentally brought back "The Monster." However, little did he know that what he was raising was not a harmless pet, but a biological weapon secretly manufactured by the government... A real monster. Introduction version 2—— As a former librarian, Rand felt that he had been living an ordinary life (unknowingly saving a life every day). He has been a little troubled recently because the pet fish he accidentally picked up and raised at home seems to have undergone some strange changes... Well, it turned into a mermaid. The Cp of this article is Munster X Rand … 1·24 updated extra chapter 1 in Chapter 155! ! 2.22 Update: Extra 2 (Part 1) is available in Chapter 89! ! Conception: