Responses
http://www.mangago.me/read-manga/penthouse_xxx/
http://www.mangago.me/read-manga/cat_s_suit_dog_s_tie/
http://www.mangago.me/read-manga/black_mirror/
http://www.mangago.me/read-manga/the_new_employee/
http://www.mangago.me/read-manga/tabetemo_oishiku_arimasen/
http://www.mangago.me/read-manga/k_s_secret/
Eh i don't think any of them matches Ash's personality exactly, but they do become soft when facing towards them
After reading banana fish, anyone can suggest yaoi story that seme or uke is similar to Ash personality. I mean, when it comes to main character he became soft-hearted.