Friendly Fire

Zuikaku: "Boohoo... Who did destroy our dear big sister, Kaga? Who!?"
Fairy:  "Zuikaku san, please take a look, I found this..."

Zuikaku: "!!! What the... It's... The arrow is... Oh my..."

PS.
1. Both Zuikaku and Kaga are aircraft carriers.
2. The original artwork: https://www.pixiv.net/artworks/48705261
3. Characters come from the famous page game KanColle.