The fanfic takes place in present day Tokyo and focuses on 15 year old Kazama Shohei, who has recently worked part time at the local flower shop with his closest friend and crush, Momokawa Hikari.
One day, an enormous asteroid heads towards Earth, but thankfully, it burns up in the atmosphere and the shards shower down on Tokyo, one of them fusing with a butterwort/Venus flytrap hybrid, which Shohei later buys and dubs "Hikari II". Soon enough, Shohei learns that Hikari II feeds on his Life Energy, but it leaves him tired, so the plant adapts to eating bugs and meat.
This fanfic provides examples of:
- Burger Fool: Chapter 4. Hikari hasn't shown up at the flower shop for 3 days because she wanted to be paid more, so she got a job at Burger World. Shohei finds out when he sneaks out from sweeping outside the flower shop to get a bite to eat, and next thing he knows, he becomes the new fry cook. But their boss Mr. Sonoda finds out soon enough, and the Sharks wreak havoc at the restaurant, leading to Shohei's firing and with him and Hikari returning to their part-time job at the flower shop.
- Get a Hold of Yourself, Man!: Natsumi does this to Shohei in chapter 10 after he breaks down when the Sharks make the flower shop all dirty with their sludge bomb. Shortly after, Hikari kisses Shohei on the lips, which gets him to snap out of his despair.
- Growling Gut: The rumbling of Shohei's stomach was enough to convince Hikari to let him order lunch in exchange for keeping the fact she's working at Burger World a secret in the 4th chapter.
- Heat Wave: Extremely hot weather occurs in chapter 9, which is aptly titled, "The Hot Summer Day".
- The Inspector Is Coming: In chapter 10, Shohei and Hikari have to tend to the shop so that two European critics will feature it in a magazine.
- Intoxication Ensues: In chapter 9, Hikari II mistakenly drinks Mr. Sonoda's supply of sake, thinking it was water. It makes the plant have Alcohol Hics, and it also orders pizza over the phone.
- Love Potion: In the Valentine's Day chapter. Shohei, feeling that Hikari no longer has feelings for him, buys one from Mr. Chang (the guy that sold Hikari II to him in chapter 1), and uses it to spray Hikari, but since the nozzle was facing the wrong way, he sprays himself instead and falls for Sango!
- Make a Wish: Shohei wishes on a star in chapter 1, but the star turns out to be the asteroid that may or may not destroy Earth that harbors Hikari II.
- Mythology Gag:
- Pink Girl, Blue Boy: Shohei often wears a light-blue shirt with a yellow stripe across the waist part, while Hikari usually wears pink Sailor Fuku.
- The Power of Love: Throughout the fanfic, but especially evident in the final 3 chapters. It's even strong enough to help you burst out of your giant plant's stomach and defeat it after your girlfriend weakens it with the Deus ex Machina in the form of the ring you gave her that you got from a strange trio of women.
- Smooch of Victory: The Rose Goddess kisses Shohei on the forehead in his fever dream as a reward for having The Sharks (as the Momotaro gang) sacrificed to Mt. Fuji along with the eggplant.
- Talking to Plants: Shohei often turns to Hikari II in troubled times. The plant can go between curious and sassy at times.
- The Tooth Hurts: In chapter 3, after Dr. Haru finishes examining Reiko, he tries to pluck out Shohei's wisdom tooth, which didn't cause him pain until he and Reiko escaped and stopped by Hikari's mansion.
- 12-Episode Anime: The fanfic follows this format, with a total of 13 chapters.