Haru wo Daite Ita
Complete | nitta youka | 1997 released
This manga has everything you would like to find in a love/erotic story: A good plot, good characters, good development of the story, even the plot device of the story inside the story (Winter cicada, Insider report, Lost heart). Really worth the reading!
Haru O Daite Ita Alive
Ongoing | nitta youka | 2013 released
What Does The Fox Say?