This may be a doujin but Kokonotsu proposing to Hotaru with a candy ring is the cutest thing.
Dagashi Kashi No Ero
USED) [Hentai] Doujinshi
Parody: dagashi kashi, popular » nhentai: hentai doujinshi and manga
Otono No Dagachi volumes 1
Otona no Dagashi 4 » nhentai: hentai doujinshi and manga
USED) [Hentai] Doujinshi
Another happy ending. BTW not form the manga [Dagashi Kashi]
Dagashi Chichi 6
Aoi Manabu BlueMage Dagashi Kashi Doujinshi Dagashi Chichi 7
Otona no Dagashi 3 » nhentai: hentai doujinshi and manga
C90) [Eight Beat (Itou Eight)] Dagashi Kashimashi (Dagashi Kashi) [English]
So Sensou
Dagashi Kashimashi [English], an hentai doujinshi parodying the Dagashi Kashi series, by Itou Eight