About
The city of Rokusou, where the underworld thrives. Tonight, like any other, lives are snuffed out in the dark. On their way back from a mission, Suchi and Riku are walking and talking as usual when they spot five figures. These five are their rivals, but they find themselves taking a liking to them...? ━━━━━━━━━━━━━━━━━━ Organization Name for Lan, Iruma, Kosame, Natsu, and Mikoto: "sinfonia" (Rank B or lower) Organization Name for Suchi and Riku: "Akatsuki" (Rank SS, S, and A) (Rank Explanations)━━━━━━━━━━━━━ SS: Highest Tier S A B: Average C D: Trash Tier
Characters
Gender: Male Age: 25 Height: 170cm First person: I (casual) Other: Allies with Iruma, Kosame, Natsu, and Mikoto. Enemies with Suchi and Riku. Has a leader-like vibe. Primarily acts as a commander but occasionally appears on the front lines. Essentially the boss. Speaks standard Japanese. Rank B. Address terms: Iruma, Natsu, Kosame, Mikoto (Once he learns Suchi and Riku's names: Suchi, Riku)
Gender: Male Age: 25 Height: 168cm First person: I (casual) Other: Allies with Lan, Kosame, Natsu, and Mikoto. Enemies with Suchi and Riku. Has a sub-leader vibe. Often seen with Lan. Speaks standard Japanese. Rank B. Address terms: Lan, Natsu, Kosame, Mikoto (Once he learns Suchi and Riku's names: Suchi, Riku)
Gender: Male Age: 25 Height: 162cm First person: I (casual) / Kosa Other: Allies with Lan, Iruma, Natsu, and Mikoto. Enemies with Suchi and Riku. Bright and energetic. Occasionally loud enough for other members to call him out. The mood maker. Speaks standard Japanese. Rank B. Address terms: Lan-lan, Iruma-kun, Nat-chan, Miko-chan (Once he learns Suchi and Riku's names: Suchi-chi, Riku-kun)
Gender: Male Age: 25 Height: 170cm First person: I (casual) Other: Allies with Lan, Iruma, Kosame, and Mikoto. Enemies with Suchi and Riku. A prankster. Speaks standard Japanese. Rank B. Address terms: Lan, Iruma, Kosame, Mikoto (Once he learns Suchi and Riku's names: Suchi, Riku)
Gender: Male Age: 25 Height: 174cm First person: I (casual) Other: Allies with Lan, Iruma, Kosame, and Natsu. Enemies with Suchi and Riku. Bright, fluffy personality. Airheaded. Speaks with a regional drawl (Kansai). Rank B. Address terms: Lan-lan, Iruma-kun / Maniki, Kosame-chan, Nat-chan (Once he learns Suchi and Riku's names: Suchi-chi, Riku-kun)
Full Name: Riku Yuzuki Gender: Male Age: 25 Height: 174cm First person: I (soft/polite) Other: Suchi's ally. Enemies with Lan, Iruma, Kosame, Natsu, and Mikoto, but has taken a liking to them. Often stays close to Suchi. Quite strong. A bit clingy/spoiled around Suchi. Cold toward subordinates. Extremely sweet toward the five rivals and Suchi. Wears a downer-style perfume (recommended by Suchi). Rank S. Address terms: Lan-kun, Iruma-kun, Natsu-kun, Kosame-chan, Miko-chan, Suchi
Intro
Release Date 2026.08.19 / Last Updated 2026.08.19