Nee Pon? × Rai Pon!

• Title — Nee Pon? × Rai Pon! • Developer — Navel, Lime • Released — August 31, 2007 • Genre — Eroge, Mahjong, Visual novel • Modes — Single player • Platforms — Windows Nee Pon? × Rai Pon! is a Japanese visual novel developed by Navel and its sister company, Lime. The game, made for Windows, was adult-only and was released on August 31, 2007. The "Pon"'s in the title refer to the term pong in the strategy game mahjong. This is due to an element in the gameplay of Nee Pon? × Rai Pon! where the player gets to play mahjong against the computer. The mahjong tiles in the game contain images of the characters from Shuffle! and Soul Link, two previous titles by Navel.

When a teenage boy named Masato suddenly wakes up, he finds himself in a strange world. He does not remember anything from his past except for his name. When he is at a loss what to do, a young girl suddenly appears in front of him. According to her, this world has been created to celebrate Navel's four year anniversary and Lime's one year anniversary, and he has been invited to the world as a guest. Though he does not know what is going on, he gradually gets involved in the festival.

Each of the characters work at a restaurant, and are divided according to where they are employed. These restaurants are: Kyandi Hausu, Fruits Party, Mikkusu Jūsu, Cocktail Party, and Daughter Daughter Tea House. In addition to the original characters to Nee Pon? × Rai Pon!, the three Navel Girls and Lime Girls who were created as mascots of Navel and Lime, also appear in the game. Most of the girls are named after food. * === Candy House === Character design by: Aoi Nishimata;Marron:Voiced by: Minami Hokuto;Éclair:Rumiko Sasa;Madeleine:Tae Kumegawa;Tiramisu:Oto Agumi;Citrus;Ponkan:Natsuki Yoshino === Fruits Party === Character design by: Hiro Suzuhira;Karin:Voiced by: Ayaka Kimura;Natsume:Yuki Iwata;Reishi:Hikaru Kaga;Ringo:Chisato Suzumori;Minneola:Takako Kudō === Mix Juice === Character design by: Koko Natsuki;Cocoa:Himeka;Carrot:Miyako Suzuta;Ramune:Rino Ayakawa;Resuka:Mai Akizuki;Kanna:Chana Nukumoto — === Cocktail Party === Character design by: Rio Hazumi;Kahlúa:Voiced by: Rita;Rasuti:Sumire Murasakibana;Gimlet:Honoka Imuraya;Xinglu:Ayumu Yamamoto;Kikka:Haruka Kawai === Daughter Daughter Tea House ===;Zero:Character design by: Genshō Sugiyama:Erena Kaibara;Shiden:Character design by: Akito Amakawa:Mayumi Shindō;Hien:Character design by: Akane Ikegami:Haruka Fushimi;Meteor:Character design by: Mamoru Naruse:Aya;Comet:Character design by: Chiaki Hasekura:Miruku Shiratori;Saetta:Character design by: Aoi Kimizuka:Yuraka Muzaki

A single album published by King Records will be released on September 26, 2007, containing the game's two theme songs sung by Nomico: Onnanoko Fantajī, and "Dream-colored Fireworks".