Kisaragi Maaya is our protagonist’s (Yuu’s) older sister. She’s beautiful, smart, and super popular at their school to boot. Yuu cherishes his sister more than anything else in the world, and Maaya treasures her little brother more than anything else in the world in return. Maaya always had a knack for teasing Yuu, but at some point, it gets a little out of hand, to the point where her at first innocent teasing becomes flat-out flirtations, slowly leading towards a carnal relationship. Yuu has always been a pushover, and can’t do anything but follow along the path his big sister is creating for the both of them. Maaya’s outgoing personality and charms eventually win the day, and a full-blown sexual relationship starts between the two siblings. This is a slice of life story filled with lust, and worry-free summer days with lots of sex, and an ending full of happiness. [From Daybreak Translations]
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| No Name Role | 4 | 2.17 | 3.49 |
| Honest Personality | 4 | 1.84 | 2.97 |
| Protective Personality | 4 | 1.70 | 2.74 |
| Consumption of Porn Engages in (Sexual) | 2 | 2.47 | 2.71 |
| Sexual Cosplay Engages in (Sexual) | 2 | 2.24 | 2.47 |
| Not Sexually Involved Engages in (Sexual) | 5 | 1.36 | 2.44 |
| Ghost Member of School Club Role | 1 | 3.50 | 2.42 |
| Sex in a Vehicle Engages in (Sexual) | 2 | 2.05 | 2.26 |
| Kouhai Role | 3 | 1.62 | 2.25 |
| Swimming Engages in | 2 | 1.97 | 2.17 |
| Mutual Masturbation Engages in (Sexual) | 2 | 1.93 | 2.12 |
| Masturbation in front of an Audience Engages in (Sexual) | 2 | 1.92 | 2.11 |
| Butt Monkey Role | 1 | 3.03 | 2.10 |
| Discreet Sex Engages in (Sexual) | 2 | 1.87 | 2.05 |
| Bodysponge Subject of (Sexual) | 1 | 2.89 | 2.00 |
| Hidden Eyes | 2 | 1.81 | 1.99 |
| Friendly Personality | 4 | 1.23 | 1.98 |
| Buttjob Subject of (Sexual) | 1 | 2.81 | 1.95 |
| Deredere Personality | 2 | 1.75 | 1.93 |
| Pajamas Clothes | 2 | 1.75 | 1.92 |
| Adult Body | 3 | 1.36 | 1.88 |
| Kind Personality | 5 | 1.04 | 1.86 |
| Seduction Subject of | 1 | 2.68 | 1.86 |
| Massage Subject of | 1 | 2.65 | 1.84 |
| Massage Engages in | 1 | 2.65 | 1.83 |
| Shy Personality | 2 | 1.62 | 1.78 |
| Coward Personality | 1 | 2.55 | 1.77 |
| Tutor Role | 1 | 2.55 | 1.77 |
| Wake-up Sex Subject of (Sexual) | 1 | 2.50 | 1.73 |
| Sports Swimsuit Clothes | 1 | 2.50 | 1.73 |
| Bad Student Role | 1 | 2.48 | 1.72 |
| Sex in Water Engages in (Sexual) | 2 | 1.56 | 1.71 |
| Classmate Role | 3 | 1.23 | 1.70 |
| Homeroom Teacher Role | 1 | 2.45 | 1.70 |
| School Swimming Club Member Role | 1 | 2.44 | 1.69 |
| Baby-doll Clothes | 1 | 2.43 | 1.69 |
| Buttjob Engages in (Sexual) | 1 | 2.41 | 1.67 |
| Swim Shorts Clothes | 1 | 2.40 | 1.66 |
| Thong Panties Clothes | 1 | 2.38 | 1.65 |
| Wake-up Sex Engages in (Sexual) | 1 | 2.38 | 1.65 |
| Bodysponge Engages in (Sexual) | 1 | 2.38 | 1.65 |
| Reverse Missionary Engages in (Sexual) | 1 | 2.38 | 1.65 |
| Sister Complex Personality | 1 | 2.38 | 1.65 |
| Leg Locking During Sex Engages in (Sexual) | 1 | 2.34 | 1.62 |
| Sexual Fantasy Engages in (Sexual) | 1 | 2.34 | 1.62 |
| Incest Engages in (Sexual) | 2 | 1.47 | 1.62 |
| Half-naked Clothes | 1 | 2.33 | 1.62 |
| Housewife Role | 1 | 2.31 | 1.60 |
| Not a Virgin Role | 2 | 1.45 | 1.59 |
| Reverse Cowgirl Engages in (Sexual) | 1 | 2.24 | 1.56 |
| Gym Shorts Clothes | 1 | 2.24 | 1.55 |
| Sexual Fantasy Subject of (Sexual) | 1 | 2.23 | 1.55 |
| Bathroom Sex Engages in (Sexual) | 2 | 1.40 | 1.53 |
| Seduction Engages in | 1 | 2.20 | 1.52 |
| Seventh Posture Engages in (Sexual) | 1 | 2.20 | 1.52 |
| Footjob Subject of (Sexual) | 1 | 2.18 | 1.51 |
| Charismatic Personality | 1 | 2.18 | 1.51 |
| Masturbation Engages in (Sexual) | 2 | 1.37 | 1.51 |
| Boobs on Glass Subject of (Sexual) | 1 | 2.14 | 1.49 |
| Possessive Personality | 1 | 2.14 | 1.48 |
| Tominagi Engages in (Sexual) | 1 | 2.14 | 1.48 |
| Insightful Personality | 1 | 2.11 | 1.47 |
| Skirt Clothes | 2 | 1.33 | 1.46 |
| Domestic Partner Role | 1 | 2.09 | 1.45 |
| Honor Student Role | 1 | 2.08 | 1.44 |
| Sex on Toilet Engages in (Sexual) | 1 | 2.06 | 1.43 |
| Brave Personality | 1 | 2.06 | 1.43 |
| Brother Complex Personality | 1 | 2.06 | 1.43 |
| Anilingus Subject of (Sexual) | 1 | 2.06 | 1.42 |
| Sly Personality | 1 | 2.05 | 1.42 |
| Butterfly Engages in (Sexual) | 1 | 2.04 | 1.42 |
| Hazel Eyes | 1 | 2.04 | 1.41 |
| Cuffs Clothes | 1 | 2.03 | 1.41 |
| Towel Clothes | 1 | 2.02 | 1.40 |
| Anilingus Engages in (Sexual) | 1 | 2.01 | 1.40 |
| Sex in Public Places Engages in (Sexual) | 2 | 1.26 | 1.39 |
| Funny Personality | 1 | 1.99 | 1.38 |
| Cleaning Engages in | 1 | 1.99 | 1.38 |
| Sixty-nine Engages in (Sexual) | 2 | 1.25 | 1.38 |
| Assertive Personality | 1 | 1.96 | 1.36 |
| Sandals Clothes | 1 | 1.96 | 1.36 |
| Full Brother Role | 1 | 1.95 | 1.35 |
| High School Student Role | 4 | 0.84 | 1.35 |
| Friend Role | 2 | 1.21 | 1.33 |
| Younger Brother Role | 1 | 1.90 | 1.32 |
| Bra Clothes | 1 | 1.90 | 1.32 |
| Quickie Fix Engages in (Sexual) | 1 | 1.89 | 1.31 |
| Jealous Personality | 1 | 1.89 | 1.31 |
| Cardigan Clothes | 1 | 1.89 | 1.31 |
| Black Hair | 4 | 0.81 | 1.30 |
| Boobjob Subject of (Sexual) | 1 | 1.87 | 1.30 |
| Yukata Clothes | 1 | 1.85 | 1.28 |
| Outdoor Sex Engages in (Sexual) | 2 | 1.16 | 1.27 |
| Pink Rotor Subject of (Sexual) | 1 | 1.83 | 1.27 |
| Sitting Sex Engages in (Sexual) | 1 | 1.83 | 1.27 |
| Son Role | 1 | 1.83 | 1.27 |
| Bob Cut Hair | 1 | 1.82 | 1.26 |
| Husband Role | 1 | 1.82 | 1.26 |
| Short Shorts Clothes | 1 | 1.79 | 1.24 |
| Boku Personality | 1 | 1.79 | 1.24 |
| Handjob Subject of (Sexual) | 1 | 1.76 | 1.22 |
| Panties Clothes | 1 | 1.75 | 1.21 |
| Missionary Engages in (Sexual) | 1 | 1.75 | 1.21 |
| Reverse Missionary Subject of (Sexual) | 1 | 1.73 | 1.20 |
| Loafers Clothes | 1 | 1.72 | 1.19 |
| Confident Personality | 1 | 1.72 | 1.19 |
| Footjob Engages in (Sexual) | 1 | 1.71 | 1.19 |
| Father Role | 1 | 1.68 | 1.16 |
| Teasing Subject of | 1 | 1.68 | 1.16 |
| Pervert Personality | 1 | 1.65 | 1.14 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.64 | 1.14 |
| Popular Role | 1 | 1.64 | 1.13 |
| Vaginal Fingering Engages in (Sexual) | 1 | 1.62 | 1.13 |
| Maid's Headdress Clothes | 1 | 1.62 | 1.12 |
| Sex in Classroom Engages in (Sexual) | 1 | 1.61 | 1.12 |
| Senpai Role | 1 | 1.61 | 1.11 |
| Nipple Teasing Subject of (Sexual) | 1 | 1.59 | 1.10 |
| Jeans Clothes | 1 | 1.58 | 1.09 |
| Full Sister Role | 1 | 1.57 | 1.09 |
| Clothing with Ribbons Clothes | 1 | 1.56 | 1.08 |
| Older Sister Role | 1 | 1.55 | 1.08 |
| Wife Role | 1 | 1.55 | 1.07 |
| Teacher Role | 1 | 1.55 | 1.07 |
| Blowjob Subject of (Sexual) | 1 | 1.53 | 1.06 |
| Choker Clothes | 1 | 1.51 | 1.05 |
| Maid's Dress Clothes | 1 | 1.51 | 1.05 |
| Necklace Clothes | 1 | 1.50 | 1.04 |
| Big Breast Sizes Body | 1 | 1.47 | 1.02 |
| Daughter Role | 1 | 1.47 | 1.02 |
| Mother Role | 1 | 1.47 | 1.02 |
| Smart Personality | 1 | 1.47 | 1.02 |
| Bikini Clothes | 1 | 1.46 | 1.01 |
| Teasing Engages in | 1 | 1.46 | 1.01 |
| Seventh Posture Subject of (Sexual) | 1 | 1.45 | 1.01 |
| Tank Top Clothes | 1 | 1.43 | 0.99 |
| Black Eyes | 1 | 1.43 | 0.99 |
| Teen Body | 4 | 0.61 | 0.99 |
| Cooking Engages in | 1 | 1.41 | 0.98 |
| Female Ejaculation Engages in (Sexual) | 1 | 1.38 | 0.96 |
| Tsurime Eyes | 1 | 1.38 | 0.96 |
| Knee-high Socks Clothes | 1 | 1.37 | 0.95 |
| Tominagi Subject of (Sexual) | 1 | 1.36 | 0.94 |
| Bukkake Subject of (Sexual) | 1 | 1.34 | 0.93 |
| T-shirt Clothes | 1 | 1.32 | 0.91 |
| Watashi Personality | 1 | 1.26 | 0.88 |
| Ribbon Tie Clothes | 1 | 1.24 | 0.86 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.82 |
| Butterfly Subject of (Sexual) | 1 | 1.17 | 0.81 |
| School Uniform Clothes | 2 | 0.74 | 0.81 |
| Handjob Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Missionary Subject of (Sexual) | 1 | 1.11 | 0.77 |
| Tareme Eyes | 1 | 1.09 | 0.76 |
| Vaginal Fingering Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Quickie Fix Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Boobjob Engages in (Sexual) | 1 | 1.06 | 0.74 |
| Sitting Sex Subject of (Sexual) | 1 | 1.06 | 0.73 |
| Spiky Bangs Hair | 1 | 1.01 | 0.70 |
| Sidehair Hair | 1 | 0.98 | 0.68 |
| Straight Hair | 1 | 0.96 | 0.66 |
| Cowgirl Subject of (Sexual) | 1 | 0.95 | 0.66 |
| Doggy Style Subject of (Sexual) | 1 | 0.92 | 0.64 |
| Slim Body | 2 | 0.57 | 0.63 |
| Virgin Sex Engages in (Sexual) | 1 | 0.84 | 0.58 |
| Blowjob Engages in (Sexual) | 1 | 0.76 | 0.53 |
| Long Hair | 1 | 0.75 | 0.52 |
| Short Hair | 1 | 0.61 | 0.42 |
| Pale Body | 2 | 0.37 | 0.41 |
| 2 | 0.00 | 0.00 |