And wait... is this a damn harem??? Not like I dislike harems persay... but I hate it when the MC already likes a girl... there is no reason to make this a harem.
If the MC was a yandere that learned to tame other yandere and build his own harem, then that'd be fine... but he already had a proper mutual yandere love interest...
Oh boy I missed this series & forgot that each character here is twisted. I was thinking she was going to feed him stuff made from herself if you know what I mean. Thanks for reviving this.