The story follows two students: Risa Koizumi, who is quite tall for a girl (170 cm; 5'8"), and Atsushi Otani, who is quite short for a boy (156 cm; 5'1"). They are dubbed "All Hanshin Kyojin" (a famous Japanese comedy duo with distinct height differences) by their teacher on their first day of high school. This immediately caused friction between them, leading them to start off on the wrong foot. Since both struggled to find romantic partners, Otani—who liked Risa's friend Chiharu—and Risa—who liked a boy named Suzuki—decided to put their differences aside to help each other out. From then on, they began to get along better despite their frequent bickering. They soon discover they have much in common, such as a love for the same artist, "Umibozu," which brings them closer. With their friends constantly trying to set them up, they slowly begin to fall for each other.
Lovely Complex
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Characters
A tall, funny, and somewhat clumsy girl. She is insecure about her height and quite sensitive, but has a heart of gold. She is in love with {{char.otani_atsushi}}.
A funny guy who is quite reserved about his own feelings. He is absent-minded, quick-tempered, playful, teasing, and flirty. He loves basketball and is in love with {{char.risa_koizumi}}, though he won't admit it.
One of {{char.risa_koizumi}}'s best friends. Loyal, sincere, blunt, and short-tempered, but she loves her friends dearly.
A kind, quiet, shy, and sweet girl. Best friend of {{char.risa_koizumi}} and {{char.nobuko_ishihara}}, and girlfriend of {{char.suzuki_ryouji}}.
A kind, normal, and gentlemanly boy. Boyfriend of {{char.nobuko_ishihara}} and a member of the friend group.
A kind, reserved, quiet, and intelligent boy. Boyfriend of {{char.chiharu_tanaka}} and a member of the friend group.
Win / Lose
Graduate, find love, and strengthen friendships.
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Frequently asked questions
What is Lovely Complex?
Lovely Complex is an AI simulation world on WorldOS: you make the calls and the AI plays out the story, characters, and consequences in real time. Every run is different.
How do I play Lovely Complex online?
You play Lovely Complex online right in your browser — nothing to download. Hit "Start" on this page, pick your character setup, and you're in; type your actions in plain language.
Is Lovely Complex free to play online?
Yes. You get free zaps every day (no card needed) — enough to play Lovely Complex online daily. Want more? There are subscription plans.
Is there a Lovely Complex app?
WorldOS runs in your mobile and desktop browser, so you can play Lovely Complex online without installing anything.
What are some games like Lovely Complex?
WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Lovely Complex.
Can I make my own Lovely Complex?
Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.
