Constellation Door - Chapter 13

“While playing a Tsukkur erotic game that I loved, I somehow became possessed. To make things worse, I transformed into a perverted kid—one of the villains from the NTR series.”

The officer Zhou Ping'an, who had recently graduated, by chance obtained a Broken Mirror that could traverse the Different World.Since then, the sky had been the limit for the birds to soar, and the vast ocean a stage for the fish to leap…

The legendary Qin Chen from the Tianwu Continent accidentally fell into the Martial Domain because of his friend’s betrayal.

Three hundred years later, he was reincarnated on an illegitimate son of the royal palace who had been bullied.

He used his previous life accomplishments, concentrating on his skills, refining the pill, and rising against the sky, rising strongly, and embarking on a shocking journey that shocked the mainland.

- Description from MTL

Utsuro no Hako to Zero no Maria, or The Empty Box and The Zeroth Maria, tells the sinister story of Kazuki Hoshino, who is almost madly attached to his everyday life, and his antagonist Aya Otonashi, who suddenly transfers into his class—for the 13,118th time. She majestically announces to “break” him, without paying heed to anyone else around them.