Responses
http://www.mangago.me/read-manga/osananajimi_to_no_arekore/ (kind of ?)
http://www.mangago.me/read-manga/samishigariya_no_love_letter/ (Vol. 1 ch. 3 lol its just cute tho)
http://www.mangago.me/read-manga/blood_bank/ (serious)
http://www.mangago.me/read-manga/moritat/ (both of them are psychopaths.)
yaoi with cold seme or uke trope