Demon Slayer: After Being Reborn Twice, the Main Character's Persona Crumbles

[Two male leads + Giyu/Tanjiro pairing + both reborn + no System + making up for past regrets + extra sweet + overwhelming combat power + OOC warning]

After killing Muzan Kibutsuji, Water Hashira Giyu Tomioka was reborn.

He rushed to Mount Sagiri that very night with his Nichirin Blade, swearing to protect everyone in this life and, more importantly, to start training the gentle, resilient boy Tanjiro Kamado early.

But when he found Tanjiro in the snow, Giyu was stunned.

The boy before him had the same face, but the corners of his eyes were tinged with an eerie red. His once-clear voice had become soft and alluring, and his gaze seemed to ensnare anyone who met it.

“Mr. Giyu, did you come back too?” Tanjiro stumbled into his arms, his hot breath brushing Giyu’s collarbone. His voice was unbearably sweet. “I’m so hot… Water Breathing is so cool. Let me cuddle up to you, okay…?”

Giyu Tomioka’s face remained expressionless, but his crimson ears gave him away.

Later, at the Hashira Meeting,

the Hashira stared in shock at Tanjiro, the famously ferocious top-ranked slayer, draped limply over the Water Hashira and saying the cruelest words in the sweetest voice:

“Lay a hand on Mr. Giyu, and I’ll kill every last one of you~”