A crossover between KochiKame and To Love Ru Darkness drawn as a part of KochiKame Jump for KochiKame's 40th anniverary. ____ Note: There is no official title for this chapter, so all titles are made up.

Train Heartnet, also known as "Black Cat," was an infamous assassin for a secret organization called Chronos… until he abandoned that cold-blooded existence to live on his own terms as an easygoing bounty hunter. But is Train's past as far behind him as he thinks? In the last chapter of Black Cat, Kentaro Yabuki stated that "This is more like the end of part one". and says "If the opportunity present itself, I may begin writing up Black Cat part 2".

Oneshot, part of "J Romcom Festival!" celebrating Valentine's Day in Weekly Shonen Jump # 11 - 2019

Futagami Sousuke, 14 years old, is a normal student, wishing to live a normal life. But everything changes the day he sees a doppelganger of himself in his house. Since then, the girl he has a crush on, Amane, will introduce him to another side of his world he had no idea about, and it won't be anymore the dear peaceful days for Futagami. ___ Published in *Weekly Shounen Jump 2010 No. 05·06*.

Shion is a young man working for the Onmyou Organization under false pretenses. He is attempting to avenge the destruction of his nation and the deaths of his family members, and targets the Empress in an attempt to destroy her homeland. However, their destinies are in fact entwined, as she not only dislikes destruction, but wishes to unite all of Japan peacefully.