For Chocolate Chip (Emily)

to be distinguished from pringlepartie Emily lol

Here is a listing of what I believe are all the Team/Up Tenpo (Kei Natsuki) doujinshi

For You (02/11/03 --There was a big PoT only event this day (I don't own this book)
Sweet Drug(05/25/03) I own it.
Little Love Song (7/27/03) I own it.
Super Lovers (10/19/03) First Yuuta Only event I own it.
Bitter (12/28/03) Winter Comiket I own it

*Possibly Hitomi released 03/20/04 at Spring Comic City (I don't own it just an advert for the event)

Sakura (03/20/04) I own it
Trial (06/20/04) Fuji Kyoudai+Saeki event I own it
Time (08/13/04) Summer Comiket there is a Syuusuke cover and a Yuuta cover, but same book, I own the Yuuta cover.
Unconditional Happiness (10/31/04) 2nd Yuuta event as Team Kyosho I own it.