HAMEKURABE Which penis do you like?

Summary:
After about a year into their relationship, Yuka and Seiji went on a group date
with Yuka's friends Maki and Moka and their boyfriends.
Maki was quite curious, asking the girls what kind of sex they were having,
whether they'd ever given a titjob to their boyfriends...
Then everyone started making out.
Unable to contain himself, Yuka's boyfriend Seiji approached Maki...

Characters:
Yuka: A pretty, big breasted, gentle high school girl. Seiji's girlfriend.
Seiji: A handsome and earnest honor student. Yuka's boyfriend. Indecisive.
Maki: An open, flirtatious type with the boys. Yuka's friend and Takuto's girlfriend.
Takuto: Equally flirty with the girls, especially young ones. Maki's boyfriend.
Moka: Very buxom, gal-type, who gets a lot of attention for her tits. Naoya's girlfriend.
Naoya: Moka's boyfriend. A surfer with a tan, carved body to match Moka's curves.

113 pages (116 total incl. covers)