2001.08

Established "Present Gallery Komari" in Ishima-cho, Kita-ku, Okayama City as a sole proprietorship by Mariko Hirayama.

2005.02

Opened the English conversation school "ISEO Ishima School" as a sole proprietorship by Naoya Hirayama.

2006.06

Renamed the English conversation school to "Language Partners."

2007.04

Launched an in-house e-commerce website.

2007.10

Opened a store on Rakuten under the name "Present Gallery Komari," later renamed to "mono-gift."

2008.03

Started selling Koinobori (carp streamers).

2008.06

Started selling Bon lanterns.

2008.11

Started selling Hina dolls.

2010.03

Started selling Gogatsu (May) dolls.

2010.11

Established Komari Co., Ltd.

2011.01

Changed the store name from "mono-gift" to "prefer Dolls."

Launched the first-generation "prefer" dolls.

2012.02

Opened the "Language Partners Hirata School."

2013.01

Launched the second-generation "prefer" dolls.

2014.02

Released the current third-generation "prefer" dolls.

2017.07

Registered the trademark "prefer."

Registered the trademark "ASTRO."

2018.03

Launched the EVOLVE series (now known as "prefer" May Dolls).

Started system development.

2018.05

Purchased company premises in Tatsumi, Kita-ku, Okayama City, and relocated operations.

2018.10

Released "prefer Koromo."

2019.09

Opened a Yahoo! store.

2019.10

Released the "preferMOKU series."

2020.04

Transformed and reopened the Ishima School as an English language after-school program.

2021.03

Launched "komarijp.com."

2021.09

Released "Rakuraku Atsuma Review" for Rakuten Market.

2022.03

Obtained ISMS certification (JIS Q 27001:2014 (ISO/IEC 27001:2013)) for the System Development Division.

2022.10

Naoya Hirayama assumed the role of Representative Director.

Relocated the headquarters to Tatsumi, Kita-ku, Okayama City.

2022.11

Released "PREFER CLASSIC Hina Dolls."

Released "prefer fuku."

"Rakuraku Atsuma Review" was listed on "Rakuten RMS Service Square."

2023.01

Released "PREFER CLASSIC May Dolls."

2023.09

Started selling "tomolulu," a foldable tabletop Christmas tree light.

2024.04

Obtained accreditation for transitioning ISMS certification to ISO/IEC 27001:2022.

2024.10

Released "Rakuraku Atsuma Review" for Yahoo! Shopping.

2025.03

Recertification of ISMS certification "JIS Q 27001:2023 (ISO/IEC 27001:2022)" obtained