Balalaika #4 - Eiswein:
||Pairing: Katou x Iwaki

Katou gets sick during a snow mountain trip with Iwaki. To make things worse, their lodging loses power. What will Iwaki do?

Note: This extra is in the 8th volume of the manga series.||

Balalaika #6 - Loop:
||Pairing: Katou x Iwaki

1. Roots Loop - Iwaki and Katou go to a restaurant and end up dabbling in bondage.

Note: This story is a slightly modified version of Fragments of the Mask (which is in the 12th volume of the series).||

Balalaika #7 - Spiral:
||Pairing: Katou x Iwaki

1. Voyage - This is about Iwaki and Katou babysitting Katou's baby nephew.

2. Double Loop - This is a continuation to the story, Haru wo Daiteita dj - Loop and involves bondage.||

Balalaika #8 - Japalish:
||Pairing: Katou x Iwaki
1st version of Vol.9 extra The Plunderer.
Things hapens after Kato saw Child Iwaki's pictures.||

Balalaika #9 - Both:
||This doujinshi features 2 short stories by Youka Nitta, short works written by GOU Shiira and illustrated by MONCHI Kaori, and some adorable chibi comics from Show Kaneda.

The first story by Nitta has Katou dreaming about an Iwaki harem while the second story sweeter than the first with them comparing their strengths and weaknesses ultimately leading to a hot little bedroom scene.

Note: "The Grande Dame" can be found in Vol.11 of the manga series.
"Turn the Tables" can be found in Vol.13 of the manga series.||

Balalaika #10 - Love Squall:
||Pairing: Iwaki x Katou / Katou x Iwaki
Katou bought a new game to spice things up, but things didn't turn out the way he though it would be. Lucky for him that he is married to a very loving Iwaki-san…||

Balalaika #11 - Gigolo extra:
||Pairing: Katou x Iwaki

A short oneshot type. Not to be confused with the Gigolo artbook or the Gigolo Memorial Edition with scans from the game.||