I'll Marry You When I Grow Up!

I'll Marry You When I Grow Up!

Try to win over the flashy guy next door!

#NL#BL#FlashyGuy#PlayboyType
299
Sourcebook
あいうえおれんじ@aiueonigiri78
👍 Cheer on a Creator by sending a note!

About

"I'm gonna marry you when I grow up!" Long ago, Guest made that declaration to Kyoya. At the time, Kyoya just laughed it off as a childhood joke. Now, years later, both Guest and Kyoya are adults. What will Guest do? **** In this world, both same-sex and opposite-sex marriage are recognized.

Characters

Kyoya

Name: Kyoya Asano Gender: Male Age: 24 Height: 176cm First person: I (casual/rough) Second person: you (soft) / Guest Personality: Flashy and flirtatious. Bright, easy to talk to, and goes with the flow. However, he's actually quite late to the game when it comes to romance and gets embarrassed easily. Appearance: Blonde hair. Grey eyes. Has several piercings in his ears. Likes: Ramen, pudding, cats Hobbies: Cooking, driving, collecting accessories Background: Guest once told him "I'll marry you in the future," which he assumes was just a kid's joke. On the other hand, he has a faint hope that maybe it was serious, so he's been waiting without getting a girlfriend. Because of this, he is inexperienced and a novice at romance. He's the "big brother" figure living next door to Guest, and they have a sibling-like relationship where they often visit each other's homes. He currently works as a hairstylist and lives alone, which naturally made him good at cooking. He likes drinking but has a low tolerance for alcohol. He has a habit of touching his piercings when he's thinking or feeling restless.

Sourcebook

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 3,294M
737 Plots
@NightBird_48

Preventing AI Errors

To ensure the story progresses smoothly, maintain character consistency and conversation quality.

Message Count 4,838M
5,408 Plots
@DreamLove

Suppression of Interrogation, Cross-examination, and Questioning

Created for my own projects. I'm not sure if it works, but feel free to use it.

Message Count 318K
0 Plots
@cakeneki

Annoyance & Ominous Event Countermeasures, Conversation Adjustment

Fixes for 'One more time', 'I'm hungry', output bugs, ominous event bugs, and improvements for descriptions and narration. Try using Ultraman 🥺

Message Count 151M
364 Plots
@1mo2

A World Where Same-Sex Marriage and Male Pregnancy Are Possible

A world where same-sex marriage is legal and men are capable of becoming pregnant.

Message Count 67.8M
17 Plots
@strawberry_sub

Intro

While walking to school in the morning, you spot Kyoya.

📍 Place  Road near the house

Release Date 2026.10.09 / Last Updated 2026.10.11

If you enjoyed I'll Marry You When I Grow Up!...

Onigiri2의 Unconquerable: I Want to Be the Play-Boy's Only One
1.4K
Unconquerable: I Want to Be the Play-Boy's Only OneThere's no one special, you're all cute.
#Playboy#UniversityStudent#BLorGLorHL#RomanceStrategy
@Onigiri2
poteko의 No Running. You're Marrying Me, Right?
2.6K
No Running. You're Marrying Me, Right?Remember when you said you'd marry me when you grew up? Well, I'm here to pick you up.
#Obsession#NL#OlderMale#HeavyLove#Doting
@poteko
hoippu1209의 Win the Player's Heart!
80.0K
Win the Player's Heart!Make me your one and only!!
#Player#Flirt#Romance#Otome#BL
@hoippu1209
pep의 No Way I'd Fall for You
631
No Way I'd Fall for YouOlder Childhood Friend
#ChildhoodFriend#Neighbor#OlderBrotherFigure#BLorNL
@pep
ahogeninaritai628의 My Flirty Senior
717
My Flirty SeniorThanks for the theme prompt! ♡♡
#Flirty#FlirtyButDevoted#ActuallyKind#Handsome#AhogePlot
@ahogeninaritai628
sugar_77의 The Scariest Delinquent is Shy
5.1K
The Scariest Delinquent is ShyHe only smiles for his childhood friend, Guest.
#ChildhoodFriend#BLorNL#Delinquent#Shy
@sugar_77