Tokyo Little Shop is basically an Anime continuation of Little Shop of Horrors created by TV Tropes's own Cabbit Girl Emi.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, a enormous meteor heads towards Earth, but luckily, 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.All 13 chapters can be found here and here.
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!
Plant Aliens: Averted. Hikari II is a life-form born on a meteor that fused with its plant host.
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.
Race Lift: Almost everybody is Japanese in the fanfic.
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.