May 6, 2018, Nogizaka46 held the 20th single handshake event 'Synchronicity [シ ン ク ロ ニ シ テ ィ]' at Makuhari Messe, Chiba. This event is also the last activity Ikoma Rina.
Approximately 35,000 fans who want to see Ikoma Rina's last mini live with the group attended this handshake event and became the most number in the history of the Nogizaka46 handshake event so far.
After the live performances ended, Ikoma accepted a bouquet from the member and said, "I am so grateful to join Nogizaka46 and meet the best member.From now I will walk alone, but for everyone who is here, please keep your support for Nogizaka46 ! "
In addition, Ikoma Rina will appear on the 5th episode of TV drama Asahi 'Ossans's Love [お っ さ ん ず ラ ブ]' which will air on May 19, 2018. This became her first drama job after graduating from Nogizaka46.