A young husband's brother-in-law moves in with him and his wife. Although the kid is originally cheeky and dismissive, this all changes after an intense rape from the husband... Eventually, the brother-in-law and husband get addicted to each other...

Contains:
1. Gitei Otoshi
2. Gitei Otoshi: Saichoukyou-hen
3. Gitei Otoshi: Anten-hen
4. Gitei Otoshi: Kanketsu-hen

Notes:
- Includes "Gitei Otoshi: Nichijou-hen"
- A compilation doujin for this series, titled "Gitei Otoshi: Soushuuhen", was published on Apr 28, 2013 at COMIC1☆7.