1) Secret? Morning (しーくれっと？もーにんぐ); kakioroshi A brother and sister gets interrupted in their lovemaking when their mother comes back to pick up something. 2-4) Zettai Ousei (ぜったい王性); Plum DX 12, 13, 14 An older brother decides to take things even further with his three younger sisters. 5) Ramune (ラムネ); Plum DX 15 A NEET older brother plays a prank on his sharp-tongued little sister by replacing her ramune candy with an aphrodisiac. 6) Pool ni Ikenai Jan (プールにイケナイじゃん); kakioroshi A girl gets a new swimsuit from her brother and his friend in exchange for sexual favors. 7) Otsukai de Yorimichi (おつかいで寄り道); kakioroshi A brother and a sister have sex in a public restroom when all of a sudden the sister's classmates show up...