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Language:
English
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Published:
2026-06-01
Updated:
2026-06-13
Words:
6,834
Chapters:
15/?
Comments:
2
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I Reincarnated Into My Brother's Game and Two Boys Won't Stop Flirting With Me

Summary:

Sato didn't ask to be reincarnated into a video game. He especially didn't ask to be weak, chronically ill, and hunted by slimes. But after a truck sends him to the world of "Echoes of the Ninth Soul", he has no choice but to survive.

Everyone here has nine respawns. Everyone has a secret family ability. Everyone except Sato, whose only skill is a cryptic thing called "Reincarnation Debt" that he doesn't understand.

Enter Kaden and Asher: twin brothers with opposite personalities, zero patience, and an inexplicable habit of saving Sato from his own bad luck. Together (unofficially, because Sato refuses to commit), they scrape by as low-rank adventurers.

But every time Sato dies, he comes back stronger. And every act of kindness he secretly performs plants a seed that blossoms only at death. By the time he realizes his power, he's already burned six of his nine lives.

Now, with two overprotective twins and a rival adventuring party that won't leave them alone, Sato must figure out his skill before his last life runs out or before someone else tries to claim his debt for themselves.

Chapter 1

Chapter Text

World & Skills Summary (For Reference)

The World: Echoes of the Ninth Soul

· Nine respawns per person. Die = burn one anchor, respawn at bound location. Lose all nine = permanent death (soul dissolves).

· Respawn sickness (24 hours of weakness) - normal for everyone except Sato (his is milder, then gone after 6th death).

· The Deathless War ended 80 years ago. Current era is fragile peace. That's why Kaden (7 lives left) and Asher (8 lives left) still have many respawns.

· Ancestral abilities - each bloodline has a unique, often weak ability. Kaden & Asher's family (Felheim) can turn into average cats (black and white). Others have things like "Heat Haze" (blur), "Whisperwind" (far hearing), etc.

· Adventurer's Guild - ranks Copper to Orichalcum. Quests, rewards, toll-free travel. Our trio joined as solo adventurers (Copper rank) but work together informally.

Main Characters

Name: Sato
Role: MC, bottom
Key Traits: brown hair, tsundere, secretly kind, reincarnated from our world, chronically ill (cured after death 6), 3 lives left.
Skill: "Reincarnation Debt" (stats double per death + kindness seeds + death wishes).

Name: Kaden
Role: Top, twin
Key Traits: Black hair, chaotic/loud, dual swords + Shadow Mist (black magic), high speed/stamina, low def/HP, black cat form, 7 lives left.

Name: Asher
Role: Top, twin
Key Traits: White hair, quiet/princey, Gilded Chains (golden restraining chains), low damage, white cat form, 8 lives left.

Name: Yuto
Role: Sato's younger brother
Key Traits: knows game lore

Group: Crimson Coda
Role: Recurring party
Party members: Lilia (pink demon girl, flirts with Kaden), Elara (tall quiet witch, stares at Asher), Dorian (charming swordsman, responsible, flirts with Sato), Grimm (grumpy old dwarf tank), Fennel (nervous elf archer).