Board Thread:Game Updates/@comment-3502824-20170808031203/@comment-31947840-20170810062839

Dreddz wrote: Shinhwalee wrote: In the Summer 2017 Event [Recrossing the West! Europe Rescue Opereation], in the Main Operation,a Special-type II Destroyer who has an Older Sister who had a shocking meeting with a Torpedo Boat will be available to meet!

https://twitter.com/KanColle_STAFF/status/895503437508386816

メンテナンス状況：メンテナンス作業中です. 現在「艦これ」稼働全サーバ群は、メンテナンス＆アップデート作業中です. 実装作業中の夏イベ2017：期間限定海域【西方再打通！欧州救援作戦】前段作戦では、ある魚雷艇と衝撃的な接触をした姉を持つ特II型駆逐艦との邂逅も可能です！



Historical hint points that the one shown in this photo is probably Ayanami-class Destroyer Sagiri, while the Older Sister mentioned in the tweet herself is Amagiri.

Note that Ayanami-class Destroyers themselves are known as Type II Special-type Destroyers. I'm gonna be saying this before any artist does works that point the reference:

expect crossover works feat. KC Sagiri alongside Eromanga Sensei Sagiri I think you should check the main event page. They're already out