Even Though It's Sudden, Can You Come Meet Me Today?

[from cotton candy scans]

A spin-off of the mega-hit Totsuzen desu ga…! You’ll meet Nana Ryuu, Asuka, and Kamiya again! Rika was dumped just before getting married. She thought her plan for the rest of her life was ruined… until she reunited with her ex-boyfriend from 6 years ago, Kamiya…? This volume also contains an extra story of Nana Ryuu and Asuka at the end of Kamiya’s spin-off!

Chapters:
1. Totsuzen desu ga, Kyou Ai ni Kite (First Half)
2. Totsuzen desu ga, Kyou Ai ni Kite (Second Half)
3. Lapis Lazuli Dawn (Oneshot)
4. Under the Covers (Oneshot; also included in Sensei, Mou Ichido...)
5. Totsuzen desu ga, Ashita Kekkon Shimasu - Extra