Oh shit! Guys!
When Yashiro wakes up at Doumeki's flat, he thinks he is again in the shitty flat, where his stepfather raped him and his mother left him!
http://www.mangago.me/read-manga/saezuru_tori_wa_habatakanai/mf/6ba770cf8927a77ff194ed50229a1153_chapter-6/pg-17/ and http://www.mangago.me/read-manga/saezuru_tori_wa_habatakanai/mf/6ba770cf8927a77ff194ed50229a1153_chapter-6/pg-18/
Him later remembering his first abuse makes even more sense now!
I guess the matrix has an error.