Iki wo Suru Kokoro

 (息をする心) is the ninth single released by STU48. It, and peaked at #2 on the Oricon single chart.

It was certified Platinum for selling more than 250,000 copies by the RIAJ in March 2023.

Single Information

 * Catalog Number:
 * KIZM-761/2 (Regular Edition Type-A)
 * KIZM-763/4 (Regular Edition Type-B)
 * KIZM-90761/2 (Limtied Edition Type-A)
 * KIZM-90763/4 (Limtied Edition Type-B)

Tracklist
Type-A=

CD

 * 1) Iki wo Suru Kokoro (息をする心)
 * 2) Shizen Tota Shugi (自然淘汰主義)
 * 3) Hana wa Dare no Mono? - From THE FIRST TAKE (花は誰のもの? - From THE FIRST TAKE)
 * 4) Iki wo Suru Kokoro (off-vocal)
 * 5) Shizen Tota Shugi (off-vocal)

Limtied Edition DVD
Type-B=
 * 1) Iki wo Suru Kokoro Music Video

CD

 * 1) Iki wo Suru Kokoro (息をする心)
 * 2) Egao no Chance (笑顔のチャンス)
 * 3) Hana wa Dare no Mono? - From THE FIRST TAKE (花は誰のもの? - From THE FIRST TAKE)
 * 4) Iki wo Suru Kokoro (off-vocal)
 * 5) Egao no Chance (off-vocal)

Limtied Edition DVD

 * 1) Egao no Chance Music Video