Kamishiro Tomoki is an Otaku who is studying for college. One day, he received an outrageous "package" from his father: 9 year old blond girls who are his dad's illegitimate children from one of his business trips...... The twins, Selly and Riru are completely spoiled and drives Tomoki crazy. Not only that, the sisters have a "secret" plan to kick out Tomoki and claim the house just for themselves. Will Tomoki manage to make peace with the girls? Read and find out! (Source: MangaHelpers)

When a young girl enters the forest, she finds the platoon of demi-human creatures to all be dead. At the center, amongst the army of corpses which remained still, a young man claiming to be a ninja stood. Who was he, and how could a mere human do this?

Caught up in a ritual performed by a God in another world, Eiji Choukai is transported to another world. The otherworldy God responsible for the ritual looked at Eiji potential incarnations, they pulled out Classes like those from “I reincarnated into a vending machine”, but whereas there are normally several tens of Classes available for a person, the only Class avaiable for Eiji was “Parasite”. Having no choice but that one set-in-stone Class, Eiji reincarnates into his new world despondent. However, after using his powers he suddenly realized its potential. Using the parasite’s powers, he finds he can amplify himself countless times by obtaining other people’s powers. it could be that Eiji’s level might rise too much.