Yuuta's sister Yuri finally entrusts her daughters to him as she and her husband Shingo leaves for a business trip-honeymoon, with an instruction never to bring his girlfriend into the house. Coming home pagina after seeing the couple off at the airport, Sora and Miu then introduce him to the house rules. Everything goes smoothly for the rest of the dag well into bedtime until news came that the plane Yuri and Shingo were in crashed and they were among those considered missing. The family decides to break the siblings up, but Yuuta, remembering how his sister raised him herself after being orphaned, decides to take them all with him in his apartment.

A relative comes to visit and sees that things are going fine. Yuuta later invites Nimura, Raika and Sako to avondeten, diner at his apartment, where the girls are happy to meet them. Yuuta asks Raika to teach him how to cook. Sora doesn't want to leave Raika alone with Yuuta and joins in, but as Yuuta has to go to work Raika ends up teaching Sora meer than him. Later that evening the landlady confronts Yuuta about his nieces and is evicting him due to them violating his apartment contract with her. She tells him that he has to leave the apartment within a month.

Episode 8 on Tuesday!!!

Yuuta Segawa starts his first jaar in college. He meets seconde jaar Raika Oda under unusual circumstances thanks to Sako and Nimura of the straat Observation Research Society. Meanwhile, Yuuta bumped into Raika again had a uneasy conservation with her and as she left he starts to have a crush on her. After joining the straat Observation Research Society for 3 months, he meets up with his sister and misinterpreted him with seeing Raika. His sister asked him to visit Sunday to see her kids. However, it turned out into a babysitting task for the kids while they are out for awhile which his sister neglected to say. His conversation with his nieces were quite awkward.

Yuuta awakens to find Sora hugging him. She starts screaming when she finally awakens. Yuuta leaves the three girls in his apartment with an instruction never to leave home pagina and never answering the door. Yuuta was later ambushed door Raika and the rest of the Sightseeing Club for him not visiting them in awhile. Meanwhile, the girls had to do something, gegeven the rather huge bill for their breakfast. They tidy the room, head to the laundry shop, and koop for vegetables for dinner, though Hina starts writing on the uithangbord with permanent pens and making avondeten, diner being a disaster. Though Yuuta, coming home pagina late, gets upset with what happened, his being upset is replaced door happiness, because he understands the thought of all of it counts.

Yuuta takes Sora, Miu, and Hina out of their house before his relatives would come to take them. While eating lunch at a karaoke box, Kouichi attends to the three, as one of Yuuta's relatives calls, asking him to bring the girls back. Only then that he realizes the full scope of the challenge he has gotten into. Despite this, Yuuta carries on, and brings the three girls to his apartment. Meanwhile, Sora and Miu is trying their best to adjust to living in Yuuta's apartment while getting a grip on things and accept them as they are, amidst Hina's asking for her mother and father. Sora, meanwhile, is glad that she and her sisters are not going to be separated.

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 door his sister, Yuri. He was angry with his sister's decision to marry a man who has two daughters from vorige 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.