Any time the TV shows a report of a man being arrested for running around town "stark naked." Then revealed to be Dr. Akiba chasing after his latest creation.
Yuria Model 3.
Yuria meets Yurin's "kidnapper", Ippei.
Yurin: Let me introduce you, this is my kidnapper, Ippei-oniichan. Ippei:N-NO! I...I? Yuria: Ah, nice to meet you. I hope Yurin hasn't been too much of a handful. Yurin! Don't you go causing trouble for your kidnapper! Yurin: Okaaaay~!
The Volume 5 omake features the Yuria 100 Shikieroge. Every option immediately leads to a sex scene. Except Yurin's, which all lead to the player immediately getting arrested.
* Introduce Yourself Yuria, I'd like to know a little more about you Yuria puts your penis in her mouth.