November 26, 1999: Large PONPON ( らーじ・PONPON, Rāji Ponpon).Customers were told that the company would continue to support their line of video games. On February 10, 2012, 0verflow confirmed that Shiny Days, a remake of Summer Days, would be the last title produced by the brand. The video game also received an anime film titled Welcome to Pia Carrot!! -Sayaka no Koi-monogatari- in 2002. Its sequel, Welcome to Pia Carrot!! 2 was adapted into a three-episode hentai OVA from 1998 to 1999, and a six-episode OVA titled Welcome to the Pia Carrot!! 2 DX from 1999 to 2000.
Stack's Welcome to Pia Carrot!! video game series was adapted into a three-episode hentai OVA from 1997 to 1998. Both School Days and Cross Days have also received manga adaptations. Overflow's School Days video game was adapted into a 12-episode anime series in 2007. Overflow's Imouto de Ikou! video game was adapted into a two-episode OVA in 2003. Overflow's PureMail video game was adapted into a two-episode OAV in 2001. Stack's headquarters are located in the Sugishō Building ( 杉商ビル) in Kanda, Chiyoda, Tokyo. The Overflow label is known for its game franchise School Days.
( 有限会社スタック) specializing in the production of mature interactive fiction. Overflow ( オーバーフロー) (stylized 0verflow) is a Japanese video game division of Stack Ltd.