The storyline continues from several months after Weiß Kreuz Glühen. It follows Aya and Ken as members of an assassination team named Krypton Brand Side B in Great Britain. Weiß is no more. Of the original Weiß, only Ken and Aya have found their way into Side B. From Mangaupdates

Weiss - an underground group of assassins composed of four men torn by their pasts; Omi Tsukiyono, Aya Fujimiya, Ken Hidaka and Youji Kudo. Each carrying the scars of their memories, they skillfully purge the city of criminals who have either evaded the law or are out of its reach. One by one, they begin to discover the relations of the crimes to something much more sinister, reaching out to their pasts. But each of them must decide if fighting for what they believe in and for the ones they love is worth it when it might come at the expense of their humanity... (Source: Anime News Network)

The up until now untold story of how Sawamura Spencer Eriri and Kasumigaoka Utaha met, as told from their perspective and how they personally viewed the events of the main story. Source: MU

A spin-off story focuses Kazuma Ikezawa (King Kazuma), Natsuki Shinohara's cousin, as he battles his way in the Oz Martial Art Competition.

*Serialisation of the original Syosetu novel.* "Classes" are given at the age of 10, and the presence or absence of "skills" greatly affect life. Arel, the son of "Sword Princess" Fara and "Magic King" Leon, has been branded as "Classless"... But even without a job or skills, Arel believes he can persevere through effort. (Source: Earth Star Entertainment, translated) *Note: Chapter count includes three prologues, four epilogues, and five bonus chapters.*

Himekawa-san is an extremely excellent corporate spy. Her next target is the man she had a crush on in highschool! Can she keep her calm and complete the mission...!? This is a 4 part oneshot posted in September 2023's GANGAN Joker!

Straightforward, sorrowful, innocent, and erotic stories. A one-of-kind manga, full of light and darkness.

The manager of Kamiode-sou, an old boarding house in the middle of the city, is an actual goddess. Today, she will once again try to seduce Yuichi, a ronin student who lives in the boarding house? (Source: ComicWalker, translated) *Note: Chapter count includes a 0.5 chapter, an omake chapter, two one-shots, and four Dengeki-special chapters.*

An anthology of SCP stories told in manga format.