Kabeana Heaven Hole
Ch.1 - 4: brother x brother (uke works as a prostitue and seme is one of the customers) Ch.5: shota loving tutor (uke) x tutor's former student (seme)
Sono Te o Toreba
from p. 202 Story: Spending Midnight with you (two brothers live together, one pretents to sleepwalk just so he can sneak into his brother's bed)
Ookami-san to Eroi koto
ch. 1: half human half wolf (uke) x wolf (seme) ch.2-3: brother x brother, both with wolf blood ch.4-5: third brother from ch.2/3 (seme with wolf blood) x wolf (uke, son from ch. 1 pair) ch. 6: mix of all pairs
Bamford Koushakuke No Shitsuji