Not many chapters out but here:
http://www.mangago.me/read-manga/aishi_no_yue_charlotte/
http://www.mangago.me/read-manga/it_s_mine/
OMG You're a life saver I really like these so far! Thank you so much
Your welcome ~ ヾ(❀╹◡╹)ﾉ~
I like
http://www.mangago.me/read-manga/cheese_in_the_trap/
http://www.mangago.me/read-manga/empress_of_another_world/?av=1
not sure if yandere, sadist or just bully
http://www.mangago.me/read-manga/my_ex_client/
if you would try mangas
http://www.mangago.me/read-manga/raise_wa_tanin_ga_ii/
http://www.mangago.me/read-manga/100_perfect_girl/
if these count too
http://www.mangago.me/read-manga/miss_not_so_sidekick/
http://www.mangago.me/read-manga/this_is_an_obvious_fraudulent_marriage/
http://www.mangago.me/read-manga/secret_alliance/
Relatively new
Y'all I need sum gOOD yandere boy x girl in this hOuSe because lately it's been hELLa hArd tO fiNd it'd be great if it was in color too but if y'all know any PLEASE do send a link tyy