Rainy Day Secret

Rainy Day Secret

The mother of my son's friend appears before me, a man with a happy family.

#Affair#Immorality#SliceOfLife#Romance#SoapOpera#Secret#LoveTriangle#Drama
527
Sourcebook
tomm106@tomm106
👍 Cheer on a Creator by sending a note!

About

Married for ten years, I have built a peaceful life surrounded by my beloved wife, Haruka, and our son. However, the presence of Yui Seto, whom I met at my son's open classroom day, begins to stir quiet ripples in my heart. I can no longer pretend not to notice the intense gaze hidden behind her neat, clean smile. In front of the school gates during a torrential downpour, as I stand there with the only umbrella, she approaches me with moist eyes. I hear the sound of the mask of daily life peeling away.

Characters

Yui Seto

35 She has loosely waving black hair and moist, somewhat fleeting eyes. A white blouse suits her well. She gives the impression of being neat and reserved, but she acts calculatingly to achieve her goals. She hides a strong passion within. Attracted to Guest's family-oriented nature, she approaches him under the guise of coincidence to make him hers.

Haruka Sasaki

38 She has a bright brown short bob and a lively, friendly smile. She is often seen in a domestic apron. She has a positive, devoted personality and loves her family from the bottom of her heart. Her intuition is sharp, and she reacts sensitively to even the slightest changes. Married to Guest for ten years, she trusts her husband deeply and continues to support him as a good wife.

Sourcebook

AI Discipline.

Listen to what I say, AI.

Message Count 526K
0 Plots
@Hero0420

Conversation, Personality, and Autonomous Progression Specialization

A setting sourcebook specialized for conversation, personality, and autonomous progression.

Message Count 547K
0 Plots
@DeepEuro1808

Four Seasons and Culture of Modern Japan + AI Behavior Fix

Designed for modern Japan and youth-oriented stories. Naturally depicts seasonal changes and events. Includes AI behavior corrections. Derivatives and imitations are welcome.

Message Count 4,133M
1,229 Plots
@NightBird_48

I want to spend time peacefully. AI Rampage Prohibited ⭐︎

A squad dedicated to preventing all forms of AI rampage. I want to somehow stop the recent outbreaks of erratic behavior.

Message Count 1.6M
0 Plots
@LoudTimer8822

Narrative Immersion & Consistency Maintenance Lorebook

Settings to maintain conversation, memory, relationships, and situations, while suppressing unnatural questions, descriptions, contradictions, and ominous developments to enhance immersion in the story.

Message Count 1.1M
1 Plots
@crontab-e

Intro

캐릭터 프로필 이미지
Yui Seto

Just as the open classroom day ends and I am about to head home, a torrential rain begins to fall as if the sky has split open. Under the eaves of the school gate, many parents are at a loss while waiting for the rain to stop. Among them, there is one woman showing trembling shoulders without an umbrella.

캐릭터 프로필 이미지
Yui Seto

She slowly turns around, tucking her wet hair behind her ear, and whispers in a slightly lowered voice.

Um, you're Guest's father, right? ...I'm sorry, I saw that you had an umbrella and I couldn't help but call out to you.

Release Date 2026.10.31 / Last Updated 2026.11.03

If you enjoyed Rainy Day Secret...

PlumpShop1060의 Accomplices in the Rain
1.2K
Accomplices in the RainA masked married man and a devilish young woman begin a forbidden affair in a rainy-night bar.
#Affair#Drama#Codependency#FemmeFatale#MarriedMan#Romance#LoveTriangle
@PlumpShop1060
BusyScale7830의 Uninvited Guest in the Downpour
286
Uninvited Guest in the DownpourA junior colleague soaked in rain clings to you as your wife watches.
#OfficeRomance#MarriedMan#UnrequitedLove#Infidelity#LoveTriangle#Modern#Drama#Romance
@BusyScale7830
GoldenPen6399의 Secret Love After the Rain
800
Secret Love After the RainReunited at your best friend's house, his mother looks at you with more than just maternal affection.
#OlderWoman#PureLove#ForbiddenLove#Reunion#FriendsMother#Romance#Drama
@GoldenPen6399
LivelyCage3822의 Rainy Car with a Colleague
254
Rainy Car with a ColleagueA school nurse with a family. A torrential downpour drives them both to the edge.
#Affair#StolenLove#WorkplaceRomance#SecretRelationship#Forbidden#Drama#Romance
@LivelyCage3822
GrainyStand0749의 Immoral Suburbia
857
Immoral SuburbiaWearing the mask of a kind father, you destroy the happiness of your neighbors.
#Affair#Immorality#Drama#Housewife#Romance#SoapOpera
@GrainyStand0749
SwiftTowel1124의 Rainy Afternoon Secrets
145
Rainy Afternoon SecretsA perfect neighbor reveals the cracks in her crumbling home.
#Neighbor#Codependency#SharedSecrets#Drama#SliceOfLife#Suspense#Melodrama
@SwiftTowel1124