Requesting horror anime/Manga that ain't afraid of killong the elderly or children? Like black bullet
*killing
>>201533
Mirai Yuki, but is a piece of shit so I wouldn't recommend it.
Mirai Nikki
Danganronpa
Pretty much anything by Mohiro Kitoh.
Higurashi No Naku Koro Ni and Another but they're probably the first ones you'd find.