In episode 4 of (Love After World Domination), titled "Could You Please Tell Me Why?", Fudo and Desumi's secret relationship is nearly exposed when Haru Arisugawa (Pink Gelato) finds a photo of them together at an amusement park.

: Despite being on opposite sides, Haru eventually becomes a "sturdy Best Girl" candidate by keeping their secret, potentially marking the start of a friendship with Desumi. Series Overview

: "Koi wa Explosion" by Masayoshi Ooishi feat. Yukari Tamura. Ending : "Koi wa Sekai Teiri to Tomoni" by DIALOGUE+.

The phrase "make piece" (likely a misspelling of ) refers to a central theme in the series, where the protagonists struggle to reconcile their forbidden love with their public roles as sworn enemies—a hero and a villain leader—who are supposed to be at war to ensure world peace. Episode 4 Highlights

Check out the ending theme and visual highlights from the series to see more of Fudo and Desumi's relationship: