Ichigo Momoi is the stage name of a Japanese female voice actor primarily known for her extensive work in adult video games and original video animations. She began her career in the industry around 2005. Her stage name, Momoi Ichigo, is a reflection of her personal fondness for strawberries. She is the voice-acting alias for the actor Aiko Okubo.

Momoi's career is deeply connected to the adult gaming industry, where she has voiced a vast number of characters. Her notable roles from the latter half of the 2000s include习志野勇美 and 宮前未亞 in the 2007 game Honō no Haramase Dōkyūsei, エレーヌ・グレゴール in Ryōjoku Guerrilla Kari 3 from the same year, and 日向花火 in the 2009 game Tropical Kiss. She also voiced 佐伯藍 in the 2009 game Fault!!, a role she reprised in the subsequent OVA adaptation.

Her voice work continued into the following decade, with credits in a wide range of titles. In 2010, she voiced roles such as 藤堂小和 in A Bridge to the Starry Skies and 白川紅 in Tiny Dungeon ~BLACK and WHITE~. She later took on roles in games like Love Sweets (2014) as 一之瀨結衣, Chrono Clock (2015) as 多蘿西·達文波特, and 如月真綾の誘惑 (2018) as the title character 如月真綾. Her work in the 2010s also included several roles in the extended真・戀姬†無雙 franchise, voicing the character 周泰.

Throughout her career, Momoi has been associated with several voice acting agencies. She was initially a member of AG-promotion, an agency known for representing talents in the adult gaming sphere. She left the agency in 2012. As her alias Aiko Okubo, she was later affiliated with TAB Production until 2012, Quatrestella from 2016 to 2018, and has been with Remax since 2018. Beyond her work in games and OVAs, she began activities as a virtual YouTuber in January 2022.