Episode 10

Episode 10 is the tenth episode of the Shoumetsu Toshi anime.

Synopsis
Devastated by the loss of her brother Souma, Yuki's only keepsake of him is his choker.

In the present, all of the charges surrounding Lacuna Chemical Laboratory have been dropped due to insufficient evidence. How Kouta was saved is revealed, due to him being rescued by Yumiko and Takuya's former superior Kaibara.

Meanwhile, Kikyou relays to Yuki about how the giant hole made by the Lost incident is growing in size. From Taiyou's perspective, he reveals to Tsuki and Suzuna that the Lost Hole's expansion is being prevented by Daichi. Although Taiyou hoped to use either Yuki or Souma as a replacement to the portal, he concludes that eliminating Daichi would be their best option. He plans on doing so by entering Lost himself. Elsewhere, Yuki and Takuya are disclosed of the adverse effects of coming into close proximity to the Lost area. It's implored that the two not get close to Lost as Taiyou the president Lacuna will stop or even kill them as he's trying to communicate with someone there.

Afterward, Takuya spends time with Geek and they talk about SDR5, and the following day, Takuya visits Yuki. Elsewhere, Eiji and Kikyo disclose the truth behind their intentions with Yuki and Takuya to Geek, Kouta, and Yumiko.

Eventually, Yumiko and Yuki meet up and have a heart to heart at a cafe and Takuya meets up with his old superior Kaibara. To these matters, both Takuya and Yuki note their resolve to go to Lost regardless of the consequences. Back to Taiyou whose, human research experiments have continuously failed, Tsuki volunteers herself. Initially, Tsuki is able to handle it, however, it takes a grim turn when Taiyou increases the output of the experiment.

At the beach, Yuki and Takuya have a heart to heart and talk about what it is to have a normal life. Later the two, get on Takuya's scooter and head for Lost.

Characters by appearance

 * Yuki
 * Kouta
 * Takuya
 * Geek
 * Yoshiaki
 * Keigo
 * Yuuji
 * Eiji
 * Kikyou
 * Yumiko
 * Taiyou
 * Tsuki
 * Suzuna
 * Yua