One day, when Tasuba turns on his PC, a lot of virus mails arrive and a PC monitor suddenly flashes. A while later, it disappears and a pretty girl comes out of the monitor. According to her, her name is Meira and she comes from his PC mail software. Due to his virus mails, the PC is now unworkable. To get rid of them, he needs to shower his semen to her.... Like this, his semen vaccine life with her and other virus-infected girls starts.... [From ErogeShop.com]
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Semen Security 2009 has not appeared in our Steam sample enough to calculate it's similar novels... sorry!
A novel needs atleast 20 owners before it's similarity is calculated.
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Anthropomorphized Inanimate Object Role | 4 | 2.67 | 4.30 |
| Group Sex Engages in (Sexual) | 4 | 1.52 | 2.45 |
| Braided Odango Hair | 1 | 3.25 | 2.25 |
| Big Breast Sizes Body | 3 | 1.56 | 2.16 |
| Naked Clothes | 2 | 1.96 | 2.15 |
| Butterfly Subject of (Sexual) | 5 | 1.17 | 2.10 |
| Pink Rotor Subject of (Sexual) | 2 | 1.84 | 2.02 |
| Honest Personality | 2 | 1.84 | 2.02 |
| Hair Ribbon Clothes | 2 | 1.80 | 1.98 |
| Boots Clothes | 2 | 1.68 | 1.84 |
| Perfectionist Personality | 1 | 2.62 | 1.81 |
| Arm Warmers Clothes | 1 | 2.59 | 1.80 |
| Naizuri Engages in (Sexual) | 1 | 2.57 | 1.78 |
| Sex while Being Pregnant Engages in (Sexual) | 2 | 1.53 | 1.69 |
| Serious Personality | 2 | 1.49 | 1.64 |
| Computering Engages in | 1 | 2.35 | 1.63 |
| Half-naked Clothes | 1 | 2.34 | 1.62 |
| Kuudere Personality | 1 | 2.34 | 1.62 |
| Lolita Clothes | 1 | 2.27 | 1.57 |
| Food Play Engages in (Sexual) | 1 | 2.23 | 1.55 |
| Necktie Clothes | 3 | 1.12 | 1.55 |
| Hairpin Clothes | 2 | 1.40 | 1.54 |
| Tareme Eyes | 3 | 1.11 | 1.53 |
| Knee-high Socks Clothes | 2 | 1.38 | 1.52 |
| Vaginal Fingering Subject of (Sexual) | 3 | 1.08 | 1.49 |
| Boobs on Glass Subject of (Sexual) | 1 | 2.15 | 1.49 |
| Boobjob Engages in (Sexual) | 3 | 1.07 | 1.48 |
| Sitting Sex Subject of (Sexual) | 3 | 1.06 | 1.47 |
| Court Shoes Clothes | 1 | 2.10 | 1.46 |
| Otaku Personality | 1 | 2.05 | 1.42 |
| Docile Personality | 1 | 2.04 | 1.42 |
| Dress Shoes Clothes | 1 | 2.02 | 1.40 |
| Small Breast Sizes Body | 1 | 2.01 | 1.39 |
| Sixty-nine Engages in (Sexual) | 2 | 1.26 | 1.38 |
| Dress Clothes | 2 | 1.25 | 1.38 |
| Blowjob Engages in (Sexual) | 5 | 0.76 | 1.36 |
| Classmate Role | 2 | 1.23 | 1.35 |
| Over The Knee Socks Clothes | 1 | 1.95 | 1.35 |
| Immature Personality | 1 | 1.93 | 1.34 |
| Airhead Personality | 1 | 1.92 | 1.33 |
| Cowgirl Subject of (Sexual) | 3 | 0.95 | 1.32 |
| Ribbon Hair Tie Clothes | 2 | 1.19 | 1.31 |
| Naked Apron Clothes | 1 | 1.88 | 1.30 |
| Short (obsolete) Body | 1 | 1.87 | 1.30 |
| Tsundere Personality | 1 | 1.87 | 1.30 |
| Standing Sex Subject of (Sexual) | 2 | 1.18 | 1.29 |
| Doggy Style Subject of (Sexual) | 3 | 0.92 | 1.28 |
| Detached Sleeves Clothes | 1 | 1.82 | 1.26 |
| Twin Tails Hair | 2 | 1.13 | 1.24 |
| Outgoing Personality | 1 | 1.72 | 1.19 |
| Footjob Engages in (Sexual) | 1 | 1.72 | 1.19 |
| Proactive Personality | 1 | 1.72 | 1.19 |
| Quickie Fix Subject of (Sexual) | 2 | 1.08 | 1.19 |
| Reserved Personality | 1 | 1.71 | 1.19 |
| Anal Fingering Subject of (Sexual) | 1 | 1.71 | 1.19 |
| Virgin Sex Engages in (Sexual) | 3 | 0.85 | 1.18 |
| Stoic Personality | 1 | 1.70 | 1.18 |
| Naive Personality | 1 | 1.69 | 1.17 |
| Shorts Clothes | 1 | 1.68 | 1.16 |
| Spoons Subject of (Sexual) | 1 | 1.67 | 1.16 |
| Ribbon Hair Accessory Clothes | 1 | 1.66 | 1.15 |
| Thigh-high Stockings Clothes | 2 | 1.04 | 1.15 |
| Popular Role | 1 | 1.64 | 1.13 |
| Shy Personality | 1 | 1.62 | 1.12 |
| Lactation Engages in | 1 | 1.59 | 1.10 |
| Clothing with Ribbons Clothes | 1 | 1.58 | 1.10 |
| Sex in Water Engages in (Sexual) | 1 | 1.56 | 1.08 |
| Energetic Personality | 1 | 1.52 | 1.05 |
| Maid's Dress Clothes | 1 | 1.51 | 1.05 |
| Pissing Engages in (Sexual) | 1 | 1.47 | 1.02 |
| Headband Clothes | 1 | 1.45 | 1.01 |
| Cooking Engages in | 1 | 1.42 | 0.98 |
| V Bangs Hair | 1 | 1.41 | 0.98 |
| Blond Hair | 2 | 0.89 | 0.98 |
| Kid Body | 1 | 1.37 | 0.95 |
| High School Student Role | 2 | 0.85 | 0.94 |
| Slim Body | 4 | 0.58 | 0.93 |
| Ahoge Hair | 1 | 1.32 | 0.92 |
| Red Hair | 1 | 1.32 | 0.92 |
| Curtained Hair | 1 | 1.30 | 0.90 |
| Waist Length+ Hair | 2 | 0.81 | 0.89 |
| Blue Eyes | 2 | 0.80 | 0.88 |
| Ribbon Tie Clothes | 1 | 1.25 | 0.87 |
| Parted in Middle Hair | 1 | 1.25 | 0.87 |
| Teen Body | 3 | 0.62 | 0.86 |
| Friendly Personality | 1 | 1.22 | 0.84 |
| Young-adult Body | 2 | 0.76 | 0.83 |
| School Uniform Clothes | 2 | 0.76 | 0.83 |
| Red Eyes | 1 | 1.20 | 0.83 |
| Blue Hair | 1 | 1.19 | 0.83 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Trousers Clothes | 1 | 1.19 | 0.82 |
| Cunnilingus Subject of (Sexual) | 1 | 1.16 | 0.81 |
| Outdoor Sex Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Miniskirt Clothes | 1 | 1.06 | 0.74 |
| Parted to Side Hair | 1 | 1.05 | 0.73 |
| Violet Eyes | 1 | 1.05 | 0.73 |
| Pale Body | 6 | 0.37 | 0.71 |
| Green Eyes | 1 | 1.02 | 0.71 |
| Spiky Bangs Hair | 1 | 1.00 | 0.69 |
| Sidehair Hair | 1 | 0.98 | 0.68 |
| Shoulder-length Hair | 1 | 0.92 | 0.64 |
| Long Hair | 1 | 0.75 | 0.52 |
| Brown Hair | 1 | 0.68 | 0.47 |
| 4 | 0.00 | 0.00 |