Mikako Komatsu's first single in a long time is a title song and a coupling song, both written and produced for the outro theme of the TV animation "Sayonara Watashi no Cramer". Q-MHz wrote the lyrics for both songs. The Blu-ray of the first limited edition includes Mikako Komatsu TOUR 2018 "Personal Terminal" at TSUTAYA O-EAST 2018.09.16 and the music video of "Regretful things are kicked away".