TW: rape, non-con, tentacles, mind control, etc.

• Part 1: Office worker, Tamaru Toshishi, wanted to find relief from his busy schedule and bought a plant called a "space plant."
  This plant has a unique property of "moving its tentacles and moving on its own in search of nutrients," and is as popular as a pet.
  When he opened the space plant that arrived, it didn't seem to move...
  After staying up all night, Tamaru couldn't resist the drowsiness and fell asleep.
  When he woke up, the plant, which should have moved towards water, was somehow crawling on his body...
• Part 2: Office worker, Tamaru Toshishi, wanted to relax from his busy schedule and bought a plant called a "space plant".
  However, due to a mistake in shipping, Tamaru received a "harmful species" that parasitizes his favorite mammal.
  The "harmful species" are rare and very valuable.
  Instead of leaving the corporate world, Tamaru agreed to cooperate with research as a host (mate) of this harmful species, named Hani, but he was at the mercy of the embarrassing content!?
  Furthermore, he was almost kidnapped by a dealer who had obtained information about the "harmful species and its mate".
  Although Tamaru was somehow protected, Hani started acting strangely. To help them, researcher Ayakawa proposed...
  
  
  

• [Tamaru Masashi]: The manager of a black department. He wants to quit his job but can't find hope for a new one. He bought a space plant in search of healing, but... Hani's host. He successfully changed jobs to become a librarian on the condition that he cooperates with research. He is constantly being manipulated by Hani and Ayakawa.
• [Space Plants]: Pet plants are all the rage. They move around on their own in search of nutrients. But there seems to be something strange about the one space plant that arrived at Tamaru's house...
• [Hani]: A harmful species of space plant. It seems to be a little different from other harmful species...?
• [Ayakawa]: A researcher of space plants. He has flaws in his humanity. He is very interested in Hani and Tamaru.