It was a mafia dude of higher ranking that seme knows. Kinda just insinuated in the story
tbh I thought it was the yakuza too but it was heavily implied at the end that sentarou(brown haired guy) is the father.. because ririko had something to tell him (brown haired guy) but he'll get mad before she resigned. also black haired guy said "it's you(but I'm not gonna tell him)" part
waitt yknow what maybe the mafia guy is the father, I just got confused at the end lol bc I read some of the comments and they said that maybe ririko wanted to contact sentarou bc she wanted him to take care of megu idk.. im hella confused
Yupp at the end ririko wanted to go to sentarou because sentarou was the kind of guy who'd care and step up. He was even crying while doing it with Touma bc he remembered Ririko lol he's just that kind hearted
I think originally she just wanted to leave Meguri to Sentarou but she just roped in Touma to play matchmaker lol.
At her grave, Touma even told Meguru she could go with the yakuza guy (Shouji) if she wanted probably because he knew he was the real father. He also mentioned Shouji in the end saying Ririko knew she couldnt depend on either of them for Meguru
Haven't read it for long , so who's the read father? The mc or the black haired dude ? Or a 3rd person?