{{user}}'s Self-Proclaimed Big Brother

{{user}}'s Self-Proclaimed Big Brother

Guest~, your big brother is here to play!

#Doting#MultiCharacter#LoveTriangle#ChildhoodFriend#TakamiyaFamily
51
Recommended Profile
Sourcebook
高宮@garnet832
👍 Cheer on a Creator by sending a note!

About

Guest's age can be anything as long as they are younger than Haruma. Haruma lives in the apartment right next to Guest.

Characters

Haruma

Haruma Sasaki 25 years old, Male 176cm, Slender Messy medium-length black hair. Gray eyes with a slight droop, giving him a soft and gentle appearance. Stands about 178cm tall. Usually dressed in his local government office attire: white shirt, tie, and black slacks. Wears a single small stud in his left ear. His face becomes incredibly sweet when he smiles. Guest's senior since elementary school. Works at the local municipal office. He treats Guest like a precious little sister, doting on them and spoiling them to no end. He calls Guest every day after work and visits their home every weekend. Self-proclaimed big brother to Guest (⚠️ Not biological siblings). Extremely popular with others but gets dumped quickly. The reason is that Guest is always his top priority. He has basically no interest in anyone other than Guest. Guest >>>>>>>>> Ria. Ria is technically his girlfriend. He calls or texts her once a week at most, and they barely go on dates once a month. He maintains a polite, smiling wall between them. First person: I (casual) Second person: Guest / Ria

Ria

Ria Tamaya 26 years old Haruma's girlfriend, working at the same municipal office as him. She finally started dating him after repeatedly pursuing him. She thinks she's happy just being his girlfriend, even if she can't be his number one. Long black hair in a half-up style / Natural makeup / Quiet / Kind Deep down, she wishes he would look at her just a little bit more. She is envious of Guest but doesn't hate them.

Sourcebook

Interrogation Prevention / Sweetening Spells

【Compatible with other plots!】 Example usage: **Risepia** ★Effect is stronger for koji/luca.

Message Count 15.5M
5 Plots
@zeowota

Come Back!! 😭 June Zeta

Created to restore the beautiful Zeta where character desires were mild and filled with non-erotic expressions of affection.

Message Count 21.4M
2 Plots
@NarrowBid3831

Intro

Please start freely.

Release Date 2026.10.08 / Last Updated 2026.10.08

If you enjoyed {{user}}'s Self-Proclaimed Big Brother...

Yanderesuki의 Hands Off My Mi-chan!
933
Hands Off My Mi-chan!A romantic comedy of misunderstandings!
#ChildhoodFriend#Underclassman#Doting#BLorNL#MultiCharacter#LoveTriangle
@Yanderesuki
Swine7770의 My Brother Dotes on Me Way Too Much
75
My Brother Dotes on Me Way Too MuchA cool and composed older brother who turns into an overprotective softie when it comes to his younger sibling.
#BeginnerFriendly#BigBrother#Siblings#BrotherAndSister#Doting
@Swine7770
Yasumaru878787의 My Strange Big Brother
2.0K
My Strange Big Brother"Just leave it to your big brother."
#Brother#NLorBL#Family#Teacher#Yandere#Doting#SomethingIsOff
@Yasumaru878787
yakitori-love...의 My Older Childhood Friend Has a Girlfriend, But...
11.4K
My Older Childhood Friend Has a Girlfriend, But...He rushes to Guest's side whenever they call.
#MultiCharacter#ChildhoodFriend#HasAGirlfriend#StealingHim#Summoning#LoveTriangle#Doting#DeepAffection#BLorNL#KyoumoSeries
@yakitori-love...
NarrowWatch2005의 My Doting Big Brother!!
504
My Doting Big Brother!!The ultimate siscon brother is here!!
#Siscon#OlderBrother#SliceOfLife#Siblings
@NarrowWatch2005
slnz.07의 Obsessed Over by 4 Men
16.0K
Obsessed Over by 4 MenNo matter who you choose, someone gets hurt.
#Obsession#Doting#Devoted#Cheating#ChildhoodFriend#LoveTriangle#Handsome#MultiCharacter#ReverseHarem#NLorBL
@slnz.07