The main character used to live with his parents and three older sisters happily. But their parents passed away suddenly in a car accident and each child was accepted into different, new family. More than ten years later, here comes a lawyer and tells the protagonist that he has a grandfather and about his sisters' whereabouts. He goes out to meet his sisters soon but is disappointed to see them to have changed dramatically. He and his three sisters gather up at their grandfather's house to allot his inheritance. The will says that the people who can receive the fortune by inheritance are only one sister and one brother and the certain sister is to be decided by the brother! One month is given to him to decide after living with his sisters. Who will be the one to receive the inheritance and what will happen to them at the end? [Edited from ErogeShop]
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Twin Handjob Engages in (Sexual) | 3 | 2.21 | 3.06 |
| Twin Footjob Engages in (Sexual) | 2 | 2.75 | 3.02 |
| Triple Blowjob Engages in (Sexual) | 3 | 2.09 | 2.90 |
| Middle Sister Role | 2 | 2.51 | 2.76 |
| High Heels Clothes | 2 | 2.23 | 2.45 |
| Twin Boobjob Engages in (Sexual) | 3 | 1.77 | 2.45 |
| Orphan Role | 3 | 1.70 | 2.36 |
| Nipple Sucking Engages in (Sexual) | 3 | 1.70 | 2.36 |
| Tribadism on Penis Engages in (Sexual) | 2 | 2.08 | 2.29 |
| Lactation Engages in | 3 | 1.59 | 2.20 |
| Full Sister Role | 3 | 1.57 | 2.17 |
| Pregnant Sex Engages in (Sexual) | 3 | 1.53 | 2.12 |
| Group Sex Engages in (Sexual) | 3 | 1.50 | 2.09 |
| Incest Engages in (Sexual) | 3 | 1.47 | 2.03 |
| Shoejob Engages in (Sexual) | 1 | 2.90 | 2.01 |
| Deepthroat Engages in (Sexual) | 2 | 1.80 | 1.98 |
| Vendor Role | 1 | 2.85 | 1.98 |
| Pregnancy Subject of | 3 | 1.40 | 1.94 |
| Host(ess) Role | 1 | 2.80 | 1.94 |
| Nipple Sucking Subject of (Sexual) | 3 | 1.38 | 1.92 |
| Lesbian Sex Engages in (Sexual) | 3 | 1.38 | 1.91 |
| Grumbler Personality | 1 | 2.66 | 1.84 |
| Debt Subject of | 1 | 2.62 | 1.82 |
| Fishnet Stockings Clothes | 1 | 2.62 | 1.81 |
| Feet Licking Subject of (Sexual) | 1 | 2.61 | 1.81 |
| Pantyjob Engages in (Sexual) | 1 | 2.60 | 1.80 |
| Pegging Engages in (Sexual) | 1 | 2.57 | 1.78 |
| Piggyback Ride Subject of | 1 | 2.52 | 1.75 |
| Tube Top Clothes | 1 | 2.51 | 1.74 |
| Sixty-nine Engages in (Sexual) | 3 | 1.26 | 1.74 |
| Sleep Sex Subject of (Sexual) | 1 | 2.49 | 1.73 |
| Armpit Sex Engages in (Sexual) | 1 | 2.48 | 1.72 |
| Sex in Water Engages in (Sexual) | 2 | 1.56 | 1.72 |
| Drunk Sex Engages in (Sexual) | 1 | 2.41 | 1.67 |
| Stylish Personality | 1 | 2.39 | 1.66 |
| Bodysponge Engages in (Sexual) | 1 | 2.38 | 1.65 |
| Wake-up Sex Engages in (Sexual) | 1 | 2.36 | 1.64 |
| Kuudere Personality | 1 | 2.34 | 1.62 |
| Hairjob Engages in (Sexual) | 1 | 2.33 | 1.62 |
| Blouse Clothes | 2 | 1.47 | 1.61 |
| Transparent Clothes | 1 | 2.31 | 1.60 |
| Flower Clothes | 1 | 2.29 | 1.59 |
| Handbag Items | 1 | 2.29 | 1.59 |
| Nightgown Clothes | 1 | 2.29 | 1.59 |
| Twin Blowjob Engages in (Sexual) | 2 | 1.45 | 1.59 |
| Loner Personality | 1 | 2.26 | 1.57 |
| Balls Sucking Engages in (Sexual) | 1 | 2.26 | 1.57 |
| Tank Top Clothes | 2 | 1.42 | 1.56 |
| Missionary Subject of (Sexual) | 3 | 1.12 | 1.55 |
| Antisocial Personality | 1 | 2.23 | 1.55 |
| Seduction Engages in | 1 | 2.18 | 1.51 |
| Moving Engages in | 1 | 2.17 | 1.50 |
| Visible Nipples Body | 1 | 2.16 | 1.50 |
| Sexual Sadism Engages in (Sexual) | 1 | 2.14 | 1.49 |
| Skirt Clothes | 2 | 1.33 | 1.47 |
| Strap-on Dildo Clothes | 1 | 2.11 | 1.46 |
| T-shirt Clothes | 2 | 1.31 | 1.44 |
| Shopping Engages in | 1 | 2.04 | 1.42 |
| Anilingus Engages in (Sexual) | 1 | 2.01 | 1.39 |
| Decorative Belt Clothes | 1 | 1.98 | 1.37 |
| Facesitting Engages in (Sexual) | 1 | 1.97 | 1.37 |
| Selfish Personality | 1 | 1.96 | 1.36 |
| Cold-hearted Personality | 1 | 1.95 | 1.35 |
| Assertive Personality | 1 | 1.94 | 1.34 |
| Cowgirl Subject of (Sexual) | 3 | 0.95 | 1.32 |
| Double Handjob Engages in (Sexual) | 1 | 1.89 | 1.31 |
| Cunnilingus Subject of (Sexual) | 2 | 1.16 | 1.28 |
| Handjob Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Evening Gloves Clothes | 1 | 1.81 | 1.25 |
| Outgoing Personality | 1 | 1.74 | 1.20 |
| Footjob Engages in (Sexual) | 1 | 1.72 | 1.19 |
| Reserved Personality | 1 | 1.72 | 1.19 |
| Arrogant Personality | 1 | 1.70 | 1.18 |
| Boobjob Engages in (Sexual) | 2 | 1.07 | 1.17 |
| Miniskirt Clothes | 2 | 1.06 | 1.17 |
| Doggy Style Engages in (Sexual) | 1 | 1.69 | 1.17 |
| Sitting Sex Subject of (Sexual) | 2 | 1.06 | 1.17 |
| Stubborn Personality | 1 | 1.68 | 1.16 |
| Shorts Clothes | 1 | 1.68 | 1.16 |
| Collar Clothes | 1 | 1.66 | 1.15 |
| Sweater Clothes | 1 | 1.64 | 1.14 |
| Mini-dress Clothes | 1 | 1.64 | 1.13 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.63 | 1.13 |
| Popular Role | 1 | 1.63 | 1.13 |
| Drinking Engages in | 1 | 1.62 | 1.12 |
| Garter Belt Stockings Clothes | 1 | 1.62 | 1.12 |
| Shy Personality | 1 | 1.62 | 1.12 |
| University Student Role | 1 | 1.59 | 1.10 |
| Apron Clothes | 1 | 1.59 | 1.10 |
| Clothing with Ribbons Clothes | 1 | 1.57 | 1.09 |
| Bracelet Clothes | 1 | 1.56 | 1.08 |
| Older Sister Role | 1 | 1.56 | 1.08 |
| Cunnilingus Engages in (Sexual) | 1 | 1.55 | 1.08 |
| Sidehair Hair | 2 | 0.98 | 1.07 |
| Young-adult Body | 3 | 0.76 | 1.06 |
| Blowjob Engages in (Sexual) | 3 | 0.76 | 1.06 |
| Pendant Necklace Clothes | 1 | 1.52 | 1.06 |
| Choker Clothes | 1 | 1.50 | 1.04 |
| Necklace Clothes | 1 | 1.50 | 1.04 |
| Green Hair | 1 | 1.48 | 1.02 |
| Doggy Style Subject of (Sexual) | 2 | 0.93 | 1.02 |
| Seventh Posture Subject of (Sexual) | 1 | 1.46 | 1.01 |
| Not a Virgin Role | 1 | 1.42 | 0.99 |
| Cooking Engages in | 1 | 1.42 | 0.98 |
| V Bangs Hair | 1 | 1.41 | 0.98 |
| Hair Tie Clothes | 1 | 1.41 | 0.97 |
| Blunt Bangs Hair | 1 | 1.40 | 0.97 |
| Bathroom Sex Engages in (Sexual) | 1 | 1.39 | 0.96 |
| Wavy Hair | 1 | 1.36 | 0.94 |
| Curtained Hair | 1 | 1.30 | 0.90 |
| Belt Clothes | 1 | 1.27 | 0.88 |
| Dress Clothes | 1 | 1.25 | 0.87 |
| Red Eyes | 1 | 1.20 | 0.83 |
| Violet Hair | 1 | 1.19 | 0.83 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.82 |
| Butterfly Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Shirt Clothes | 1 | 1.16 | 0.80 |
| Slim Body | 3 | 0.58 | 0.80 |
| Twin Tails Hair | 1 | 1.13 | 0.78 |
| Ponytail Hair | 1 | 1.10 | 0.76 |
| Glasses Clothes | 1 | 1.08 | 0.75 |
| Quickie Fix Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Vaginal Fingering Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Parted to Side Hair | 1 | 1.05 | 0.73 |
| Violet Eyes | 1 | 1.04 | 0.72 |
| Thigh-high Stockings Clothes | 1 | 1.04 | 0.72 |
| Amber Eyes | 1 | 1.03 | 0.71 |
| Spiky Bangs Hair | 1 | 1.00 | 0.69 |
| Straight Hair | 1 | 0.95 | 0.66 |
| Virgin Sex Engages in (Sexual) | 1 | 0.85 | 0.59 |
| Waist Length+ Hair | 1 | 0.81 | 0.56 |
| Long Hair | 1 | 0.75 | 0.52 |
| Pale Body | 3 | 0.37 | 0.51 |
| Brown Hair | 1 | 0.68 | 0.47 |
| Short Hair | 1 | 0.61 | 0.42 |
| 3 | 0.00 | 0.00 |