On June 17, 2015, Muramoto and Chris Reed announced that they would compete together, coached by Marina Zueva, Oleg Epstein, and Massimo Scali in Canton, Michigan.

In February, Muramoto/Reed placed 9th at the 2017 Four Continents Championships in Gangneung, South Korea, and won silver at the 2017 Asian Winter Games in Sapporo, Japan.

In November, they appeared at a pair of Grand Prix events, finishing 9th at the 2017 NHK Trophy and 7th at the 2017 Skate America.

However, on August 9, 2018, Japanese news media reported that they had ended their partnership and that Muramoto planned to search for a new partner.

[10] In September 2019, Muramoto formed a new partnership with former Japanese singles skater Daisuke Takahashi, with plans to debut in the fall of 2020.

[11] The decision of Takahashi, a former Olympic bronze medalist and World champion in men's singles, to switch to ice dance attracted considerable media attention both in Japan and abroad.

Muramoto/Takahashi nevertheless traveled from Florida to Japan to make their debut at the 2020 NHK Trophy, in a field consisting of only three Japanese dance teams.

[13] In the free dance, Takahashi fell out of his second set of twizzles, which combined with missed levels of some lift elements to drop them to third place.

[17] In February, they were forced to withdraw as alternates due to a knee injury to Muramoto and were replaced by bronze medalists Fukase/Cho.

[20] The 2021–22 Japan Championships, the final national qualification event for the 2022 Winter Olympics, pitted Muramoto/Takahashi against Komatsubara/Koleto for the second time that season.

Muramoto and Takahashi both fell in the rhythm dance, as a result placing second in that segment, five points back of their rivals.

They won the free dance but took the silver medal overall for the second consecutive year and were subsequently named as alternates for the Japanese Olympic team.

Muramoto, reflecting on her prior medal at the event, said, "I share precious memories with Chris regarding ice dancing, and we were also aiming for a victory.

[24] After a sixth-place finish at the 2022 Skate America, they went on to compete at the 2022 CS Denis Ten Memorial Challenge, where they earned their first gold medal as a team.

[27] The team encountered difficulties at the Four Continents Championships, beginning in the rhythm dance, where Muramoto fell in the midst of their midline step element.

In addition she choreographed competitive and show programs for several other figure skaters,[37] including the following clients: In October 2024 Muramoto joined forces with her ice dance partner Daisuke Takahashi, Olympic champion Shizuka Arakawa, Takahito Mura, Kazuki Tomono, Keiji Tanaka, Yuna Aoki, Kosho Oshima, Yuto Kishina and Rena Uezono to launch the members-only official fan community F-Ske on the platform FANICON.