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Diary of a Step-Sister
Koihito wa Dōkyonin - Title
Information
Kanji 恋人は同居人 - Life with My Sweet Hearts
Romaji Koibito wa Dōkyonin - Life with My Sweet Hearts
English My Lover is My Roommate - Life with My Sweet Hearts
Release Date January 21, 2015 (JP)
September 7, 2018 (ENG)
Movie N/A
Your mother has remarried - and the person she's wedded to, is one of Japan's biggest millionaires!

You begin a new life in a new home, something completely different from yesterday.

You live there, together with...five step-brothers?!

"Do you understand? There are only men in this house."

Under the one roof, there will be several heart pounding stories occuring everyday!

—Story summary, Voltage Official Website



Koibito wa Dōkyonin - Life with My Sweet Hearts - JP Game Icon

Diary of a Step-Sister is an otome game by Voltage. Your mother marries a wealthy man with five sons and you fall in love with one of your step-brothers.

It is available to play after downloading the Love 365: Find Your Story app which is available on Android and iPhone.

Overview[]

ボルテージ恋愛ドラマアプリ「恋人は同居人」OP

ボルテージ恋愛ドラマアプリ「恋人は同居人」OP

Coming soon...

Prologue[]

Coming soon...

The Characters[]

Life with My Sweet Hearts

Main Characters[]

Masaki Saionji[]

The third oldest son who's a serious and diligent student.

Masaya Saionji[]

The fourth oldest son who's the same age as you and quite popular in your school.

Yuji Saionji[]

The second oldest son who is kind to you and likes to tend to the rose garden.

Shuichi Saionji[]

The oldest son who is also your homeroom teacher.

Kaname Midou[]

The butler for the Saionji family.

Minor Characters[]

Shun Saionji[]

He's the youngest son of the family and sees you as a kind older sister.

Available Stories[]

  • Masaya Saionji
  • Masaya Saionji
  • Yuji Saionji
  • Shuichi Saionji
  • Kaname Midou

  • Masaya Saionji
  • Masaya Saionji
  • Yuji Saionji
  • Shuichi Saionji
  • Kaname Midou

  • Masaya Saionji
  • Masaya Saionji
  • Yuji Saionji
  • Shuichi Saionji
  • Kaname Midou

  • Masaya Saionji
  • Masaya Saionji
  • Yuji Saionji
  • Shuichi Saionji

  • Masaya Saionji
  • Masaya Saionji
  • Yuji Saionji
  • Shuichi Saionji

  • Trivia[]

    • There is what appears a game that is similar to this version (with a different art style and coloring) on Voltage's website.
    • There's actually a one shot manga about this game, which also has the similar title. The manga author's name is Ichikawa Shou and it was published during 2010 serialized by Sho-Comi.
    • In the manga, the MC is given a name, Yui. In the manga she is dating Masaki Saonji.
    • Alongside When Destiny Comes Knocking, Rose in the Ember, Our Private Homeroom and Kings of Paradise, this game initially started out as a standalone app in Japan. However, when Love 365 came out overseas the game was directly transferred into it.
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