• She was the 4th member to be revealed. 

• Iroha trained at JYP Entertainment and is close to NMIXX and NiziU. 

• She began learning dance at the age of 3.

• She took dance classes at STUDIO MARU Kyoto. 

• Her nicknames are Roha and Iroppongkopping (which was given to her by her mom).

• Her birth name means to fly around the world with beautiful wings.

• She sees herself as a perfectionist. 

• She often says sentences like, "I can do anything", and "It can't be helped".

• When she first go to Korea, she ended up comparing herself to others and struggling due to being mostly alone. 

• Whenever she has a serious conversation, the corners of her mouth go up. 

• Some of her favorite mangas are Jujutsu Kaisen, Attack On Titan, and Toilet-Bound Hanako Kun (which is her #1 favorite manga).

• A habit of hers she wants to break is her body moving to the beat even without any music playing. 

• Her hobbies are dancing and listening to music.

• Her favorite color is green.

• Her favorite season is winter as her birthday is in the winter season. 

• She is close to Idol School's Kim Eunkyul and ex-LIGHTSUM's Jian.

• Her role models are (G)I-DLE's Soyeon and BTS' J-Hope. 

• Her biggest fear is ghosts.

• Her message to her fans are "Thank you, love you".

• Her favorite movie is Disney's Frozen.

• The food she dislikes is bananas as she dislikes the texture and smell.

• If she could eat only one food for the rest of her life, she would pick Bibimbap.

• Her favorite dessert is tiramisu. 

• Her favorite snack is chocolate chip cookies. 

• Her favorite ice cream flavor is mint chocolate.

(courtesy of KProfiles and ILLIT Fandom Wiki)