[1][2] During his time at Osaka University H&SS, he was selected in the 2017 Summer Universiade squad, and was part of the team that defeated France in the final.
[8] He was injured on 16 July 2022 against Kashima Antlers, and would spend eight weeks out with an injury to the posterior cruciate ligament in his right knee.
[9] Kikuchi was further injured on 4 March 2023 against Gamba Osaka, and suffered an ACL injury that would keep him out for eight months.
[15] His passionate yelling during defending was heard more during the 2021 season, where supporters were not allowed to cheer due to the Covid-19 outbreak.
[16] Whilst at university, Kikuchi started a blog, which received responses from fellow footballers Shoto Suzuki, Shunya Yoneda and Seiya Nakano.