Large PonPon





Release Date

November 26, 1999
January 26, 2007 (Download version)

Large PonPon (ら~じPonPon Raji Ponpon) is the first game that 0verflow created, and it established the setting that most of the later games, including the Days series, grew out of. It was released in 1999, preceding PureMail that came out the following year.

Although it was the first game produced by IRL timeline, in the universe's timeline it is not the first game. Two characters appear as old ladies in this game who appear as young ladies in later games while one cameo as a mother, making them prequels to this.


A new father?

The game begins with Ayumu Inou and his senior girlfriend Rurika inside a hotel room. Rurika tells him that she'll be transfering to Paris for her job. They then have sex one last time for good memory.

Four months later, Ayumu woke up and found that Rurika is back.


The player plays as Ayumu Inou, the salaryman protagonist. Gameplay mainly consists of choosing location within the town that Ayumu lives in for an event to trigger. During the events, Ayumu will interact will various heroines such as Nurse Yukari or side characters such as Touri's husband Tomomasa. Interactive choices are present ocassionally which will decide the heroines' affection point toward Ayumu which can be seen in the menu.

Depending on the choices made and activated until the last day events Ayumu will reconcile with Rurika, move on with one or more heroine(s), reconcile with Rurika but having an affair with one or more heroine(s) or end up alone. 


Main characters

Ayumu Inou

The protagonist of Large PonPon

Rurika Washino

Ayumu's ex-girlfriend

Misaki Washino

Rurika's younger sister.

Yukari Nagawa

A nurse and Ayumu's childhood friend who moved away. Rurika sees her as a rival.

Touri Sawagoe

Daughter-in-law of Tomoe

Kaori Itazaki

A teenage girl who was repeatly seen at the hospital for mysterious reason.

Tamie Kirishima

Rurika's boss who come from Paris to bring back Rurika to work and separate Ayumu from her.

Satsuki Shigehara

A mysterious girl who appeared in the hospital.

Secondary characters

Tomomasa Sawagoe

Touri's husband.

Arisu Takatsukasa

The head nurse as well as Yukari's boss at the hospital that Rurika's staying.


Mother of Tomomasa


An obstetrician who take care of Rurika and Touri.


Kaori's senior
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