Sexfriend focuses on the protagonist, Takabe Tomohiro who just happened to have his first sexual encounter in the nurse's office after school with his classmate, Hayase Mina. Tomohiro and Mina had been just friends until that fateful day. But was surprised at her attitude, he started to become addicted to the woman's body, and he continued the relationship with Hayase and eventually desires a real romantic relationship, not just friends with "benefits and cookies". With the school nurse's help, they were able to have sexual practice everyday. [From Wikipedia]
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Sex in School Infirmary Engages in (Sexual) | 3 | 2.22 | 3.08 |
| Double-ended Dildo Subject of (Sexual) | 2 | 2.10 | 2.31 |
| Library Committee Member Role | 1 | 2.92 | 2.02 |
| Sex in Library Engages in (Sexual) | 1 | 2.92 | 2.02 |
| Vaginal Multiple Objects Insertion Subject of (Sexual) | 1 | 2.83 | 1.96 |
| Used Condoms Exposition Engages in (Sexual) | 1 | 2.83 | 1.96 |
| Discreet Masturbation Engages in (Sexual) | 1 | 2.75 | 1.91 |
| Double Penetration (Group Sex) Subject of (Sexual) | 2 | 1.65 | 1.81 |
| Sex in Classroom Engages in (Sexual) | 2 | 1.61 | 1.76 |
| New Type School Swimsuit Clothes | 1 | 2.52 | 1.75 |
| School Nurse Role | 1 | 2.46 | 1.71 |
| Masturbation with Object Engages in (Sexual) | 1 | 2.45 | 1.69 |
| Sex Friend Role | 1 | 2.44 | 1.69 |
| Exhibitionist Role | 1 | 2.42 | 1.67 |
| Dildo Subject of (Sexual) | 1 | 2.38 | 1.65 |
| Group Sex of One Male and Several Females Engages in (Sexual) | 3 | 1.17 | 1.63 |
| Mirror Sex Engages in (Sexual) | 1 | 2.30 | 1.60 |
| Leg Locking During Sex Engages in (Sexual) | 1 | 2.30 | 1.59 |
| Twin Blowjob Engages in (Sexual) | 2 | 1.45 | 1.59 |
| Vaginal + Anal Object Insertion Subject of (Sexual) | 1 | 2.25 | 1.56 |
| Missionary Subject of (Sexual) | 3 | 1.12 | 1.55 |
| Lesbian Sex Engages in (Sexual) | 2 | 1.38 | 1.52 |
| Anal Object Insertion Subject of (Sexual) | 1 | 2.19 | 1.51 |
| Double Penetration (Group Sex) Engages in (Sexual) | 1 | 2.18 | 1.51 |
| Bookworm Personality | 1 | 2.16 | 1.50 |
| Sex on Beach Engages in (Sexual) | 1 | 2.15 | 1.49 |
| Skirt Clothes | 2 | 1.34 | 1.47 |
| Flat Chest Body | 1 | 2.09 | 1.45 |
| Short Body | 1 | 2.07 | 1.43 |
| Anal Fingering Engages in (Sexual) | 1 | 2.05 | 1.42 |
| Tall Body | 1 | 2.04 | 1.42 |
| Sex on Toilet Engages in (Sexual) | 1 | 2.03 | 1.41 |
| Vaginal Object Insertion Subject of (Sexual) | 1 | 2.00 | 1.39 |
| Sex in Public Places Engages in (Sexual) | 2 | 1.26 | 1.38 |
| Vibrator Subject of (Sexual) | 1 | 1.98 | 1.37 |
| Taciturn Personality | 1 | 1.94 | 1.35 |
| Over The Knee Socks Clothes | 1 | 1.94 | 1.35 |
| Mutual Masturbation Engages in (Sexual) | 1 | 1.94 | 1.34 |
| Antenna Hair | 1 | 1.93 | 1.34 |
| Cowgirl Subject of (Sexual) | 3 | 0.95 | 1.32 |
| Eleventh Grader Role | 1 | 1.90 | 1.31 |
| Anal Sex Subject of (Sexual) | 2 | 1.19 | 1.31 |
| Butterfly Subject of (Sexual) | 2 | 1.17 | 1.29 |
| Discreet Sex Engages in (Sexual) | 1 | 1.85 | 1.29 |
| Doggy Style Subject of (Sexual) | 3 | 0.92 | 1.28 |
| Pink Rotor Subject of (Sexual) | 1 | 1.84 | 1.27 |
| Hair Ribbon Clothes | 1 | 1.80 | 1.25 |
| Lab Coat Clothes | 1 | 1.80 | 1.24 |
| Big Breasts Body | 2 | 1.13 | 1.24 |
| Anal Sex Engages in (Sexual) | 1 | 1.76 | 1.22 |
| Ponytail Hair | 2 | 1.10 | 1.21 |
| Sport Bloomers Clothes | 1 | 1.72 | 1.19 |
| Glasses Clothes | 2 | 1.08 | 1.19 |
| Loafers Clothes | 1 | 1.71 | 1.19 |
| Anal Fingering Subject of (Sexual) | 1 | 1.71 | 1.19 |
| Vaginal Masturbation Engages in (Sexual) | 1 | 1.68 | 1.16 |
| Rope Bondage Subject of (Sexual) | 1 | 1.67 | 1.16 |
| Cyan Eyes | 1 | 1.66 | 1.15 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.63 | 1.13 |
| Garter Belt Stockings Clothes | 1 | 1.62 | 1.12 |
| Apron Clothes | 1 | 1.58 | 1.10 |
| Sex in Water Engages in (Sexual) | 1 | 1.56 | 1.08 |
| Teacher Role | 1 | 1.56 | 1.08 |
| Blowjob Engages in (Sexual) | 3 | 0.76 | 1.06 |
| Maid's Dress Clothes | 1 | 1.51 | 1.05 |
| Sex in Front of an Audience Engages in (Sexual) | 1 | 1.50 | 1.04 |
| Choker Clothes | 1 | 1.50 | 1.04 |
| French Kiss Engages in (Sexual) | 1 | 1.48 | 1.02 |
| Pissing Engages in (Sexual) | 1 | 1.47 | 1.02 |
| Bikini Clothes | 1 | 1.46 | 1.01 |
| Pantyhose Clothes | 1 | 1.42 | 0.99 |
| Pleated Skirt Clothes | 1 | 1.39 | 0.97 |
| Masturbation Engages in (Sexual) | 1 | 1.39 | 0.97 |
| Bathroom Sex Engages in (Sexual) | 1 | 1.39 | 0.96 |
| Knee-high Socks Clothes | 1 | 1.38 | 0.96 |
| Nipple Sucking Subject of (Sexual) | 1 | 1.38 | 0.96 |
| Kid Body | 1 | 1.37 | 0.95 |
| Tominagi Subject of (Sexual) | 1 | 1.36 | 0.94 |
| Bukkake Subject of (Sexual) | 1 | 1.35 | 0.93 |
| Red Hair | 1 | 1.32 | 0.92 |
| Sixty-nine Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Ribbon Tie Clothes | 1 | 1.25 | 0.87 |
| Classmate Role | 1 | 1.23 | 0.85 |
| School Uniform Clothes | 2 | 0.75 | 0.83 |
| Violet Hair | 1 | 1.19 | 0.83 |
| Ribbon Hair Tie Clothes | 1 | 1.19 | 0.83 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.81 |
| Cunnilingus Subject of (Sexual) | 1 | 1.16 | 0.81 |
| Handjob Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Quickie Fix Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Vaginal Fingering Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Boobjob Engages in (Sexual) | 1 | 1.07 | 0.74 |
| Sitting Sex Subject of (Sexual) | 1 | 1.06 | 0.74 |
| Amber Eyes | 1 | 1.03 | 0.71 |
| Green Eyes | 1 | 1.02 | 0.70 |
| Spiky Bangs Hair | 1 | 1.00 | 0.69 |
| Straight Hair | 1 | 0.94 | 0.65 |
| Slim Body | 2 | 0.58 | 0.63 |
| Virgin Sex Engages in (Sexual) | 1 | 0.85 | 0.59 |
| Young-adult Body | 1 | 0.76 | 0.53 |
| Long Hair | 1 | 0.75 | 0.52 |
| Brown Hair | 1 | 0.68 | 0.47 |
| Teen Body | 1 | 0.62 | 0.43 |
| Short Hair | 1 | 0.61 | 0.42 |
| Pale Body | 1 | 0.37 | 0.26 |