Struggling yet brilliant, 19-year-old Minato Sahashi has failed his college entrance exams for the second time, resulting in him being regarded as worthless by those around him. However, the course of his seemingly bleak future is altered dramatically when a beautiful, supernatural woman falls from the sky and into his life. That woman, Musubi, is a "Sekirei," an extraterrestrial with extraordinary abilities. Recognizing the potential of the Ashikabi gene within Minato, Musubi kisses him, initiating a bond between the two of them. This drags him into the high-stakes world of the Sekirei, where he and his new partner must compete against others in a battle for survival called the "Sekirei Plan." However, unbeknownst to the contestants, there is far more at risk that what the competition initially entailed. Manga series by Sakurako Gokurakuin.

Manji is a crass, violent samurai with a special ability: he cannot die. Cursed with immortality by the nun Yobikuni as punishment for his ruthless deeds, he has grown weary of his ageless life. The only way to lift the curse is to slay 1,000 evil men. So Manji wanders Japan, shedding the blood of the wicked on his quest to finally die.

A cat-like alien from a distant galaxy, MuMu, arrives on Earth. His goal is to learn about home appliance technology on Earth to recover the technology his species has lost. The protagonist, Sakurako, has a typical university life, but everything changes with MuMu's arrival! What begins as an unexpected cohabitation quickly turns into a whirlwind of chaotic events. The chemistry between Sakurako and MuMu leads to a super-spectacular, appliance-filled, and cat comedy adventure.