Oshiete Katekyo
Complete | sakira | 2000 released
It was certainly very smutty. But for some reason I couldn't continue reading. The manga bored me a little, honestly.
Believers
Complete | Yamamoto Naoki | 1999 released
This. This is an example of how to integrate smut into a storyline and amplify how good both can be. Wow. This is exactly what I look for in a smutty story. Something with the smutty and something with the story.
Kouryaku Syndrome
Complete | kozaki yone | 2000 released
Harami Bara
Complete | HASHIBA Mizu | 2000 released
Boku No Pico
Complete | saigado | 2007 released
Okusama Wa Joshi Kousei
Ongoing | kobayashi hiyoko | 2002 released
Goshujinsama to Wanko