Yuuta Segawa

The main character, a college freshman just starting a new life in the School of Literature at Tama University. His parents passed away when he was young. As such, he was raised by his sister, Yuri. He was angry with his sister's decision to marry a man who has two daughters from previous marriages. When Yuri and her husband went missing, their three daughters had no one to turn to. Yūta makes a decision to take them in and becomes their guardian. He is surprisingly reliable. Even the youngest daughter of the three, Hina, quickly got close to him. He has feelings for Raika.

It is shown in Listen to Me Girls, I Am Your Father! OVA 2 that Yuuta is engaged to Sora. He also has a possible office job and treats Hina as his own daughter.