[2]: 1 Lovely Summer Chan sang on the chorus of Tofubeats's second single, "Disco no Kami-sama", which was released on March 14, 2014.
[3] In April 2014, she released the song "Hajimemashite" digitally, and in July of the same year, she and singer Yoshino Arakawa opened a crowdfunding campaign on Picnic to release a physical version of their collaboration album, Yoshi Yoshi, Summer!
[7] For her 20th birthday, Lovely Summer Chan released the single "Bedroom no Yume" digitally on July 29, 2015.
"[2]: 2 "202", which featured rapper Makura Izumi, was pre-released as a vinyl single on September 28, 2016 to promote the album.
[2]: 1 On August 2, 2017, Lovely Summer Chan released her first extended play, Ningen no Tochi.
[17] She appeared as a featured artist on Makura Izumi's song "Inochi", which was released digitally on November 7, 2018.
[18] On April 22, 2019, Lovely Summer Chan released "Millennium" and "Ima wa Shōnen no Mama no Kimi" as a double A-side digital single, with "Millennium" featured in a commercial for Fujitsu's Lifebook laptop product line.
[6] In December 2019, she released "LSC2000" and "Santa Claus ni Onegai" as a double A-side single at one of her live events.
[2]: 3 Ningen no Tochi, Lovely Summer Chan's first extended play, experimented with Shibuya-kei sounds, drawing inspiration from The Brilliant Green and Cymbals.