Main character's childhood friend vanishes comes back to say goodbye to main character. Childhood friend gets attacked by something, main character dies in crossfire. Main character is reincarnated as the living weapon of the demon lord, while his childhood friend is apparently now the hero.

Sequel to "+a no Tachiichi". Imagine getting summoned to another world, and then being told that you were a mistake!? That's the situation our main character, Kakura Norio, has gotten herself into. Join Norio-chan in her attempts to survive in a complicated isekai political situation, just like Satoki in +alpha no Tachiichi!

Volume 8 : Butler 21. Mr. Finding by Takayama Shinobu2. Butler Hassle by Saeki Yashiro3. From Today, I’m a Butler! by Miyamoto Fukusuke4. Butler Game by Asahina Asato*5. Le Droit d'aimer by Haibara Yaku6. The Apprentice Butler and His Mistress by Yoneyama Setsuko7. Brilliant Emerald by Seno Tatsune & Takamiya Aya8. The Nagging Butler Likes Troublemakers by Geni Yuu9. Tarte Tatin by Mikanagi Touya10. The Mistress’ Favourite by Kawazoe Mariko & Nakamura Sachiko11. A Distance at Which Tea Doesn’t Cool by Kosugi Mayu12. The Master, His Butler and a Magical Book by Mazaki Haruka13. The Courtyard Secret by Ishikawa Mushi & JAM14. The Butler Is Useless? by Asada Yasuka15. Butler-Battle by Akizuki Ichiha16. Mr. Butler by Usaki Hitomi* indicates oneshot being scanlated.