Main character is an ordinary student who often skips classes in favor of club activities and part-time jobs. One day his childhood friend Haruka barges in and decides to live at protagonist's house. Then Haruka's elder sister Chiaki comes to persuade Haruka to return home, but stays to live together to protect her sister from man's advances. Is this the beginning of a harem? [From vndbreview]
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Harem Days 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 | Score | Importance | Weight |
|---|---|---|---|
| Protagonist with Ahoge | 2.00 | 2.47 | 4.95 |
| Sex with Others | 2.00 | 2.46 | 4.91 |
| Heroine with Kimono | 2.00 | 1.87 | 3.73 |
| Non-blood-related Brother/Sister Incest | 2.00 | 1.75 | 3.51 |
| Protagonist's Non-blood-related Sister as a Heroine | 2.00 | 1.74 | 3.47 |
| Object Insertion | 2.00 | 1.66 | 3.33 |
| Naked Heroine with Apron | 2.00 | 1.65 | 3.30 |
| Ponytail Heroine | 2.00 | 1.40 | 2.81 |
| Twin Blowjob | 2.00 | 1.28 | 2.56 |
| Heroine with Sexual Experience | 2.00 | 1.22 | 2.45 |
| Vibrators | 2.00 | 1.14 | 2.28 |
| Lesbian Sex | 2.00 | 1.14 | 2.27 |
| Adult Heroine | 2.00 | 1.13 | 2.27 |
| Heroine with Glasses | 2.00 | 1.11 | 2.21 |
| Sixty-nine | 2.00 | 1.06 | 2.12 |
| Outdoor Sex | 2.00 | 0.99 | 1.97 |
| Cunnilingus | 2.00 | 0.92 | 1.85 |
| Nameable Protagonist | 2.00 | 0.91 | 1.83 |
| Group Sex of One Male and Several Females | 2.00 | 0.90 | 1.80 |
| Heroine with Big Breasts | 2.00 | 0.88 | 1.77 |
| High School Student Heroine | 2.00 | 0.84 | 1.69 |
| Cowgirl | 2.00 | 0.83 | 1.66 |
| Defloration | 2.00 | 0.75 | 1.49 |
| Netorare | 0.67 | 1.52 | 1.02 |
| ADV | 2.00 | 0.14 | 0.29 |
| Name | Characters | Importance | Weight |
|---|---|---|---|
| Hazel Eyes | 2 | 2.04 | 2.24 |
| Turtleneck Shirt Clothes | 2 | 1.99 | 2.19 |
| Sailor School Uniform Clothes | 3 | 1.48 | 2.06 |
| Yukata Clothes | 2 | 1.85 | 2.03 |
| Guitar Items | 1 | 2.88 | 2.00 |
| Discipline Committee Member Role | 1 | 2.87 | 1.99 |
| Twin Boobjob Engages in (Sexual) | 2 | 1.76 | 1.94 |
| Beanie Clothes | 1 | 2.74 | 1.90 |
| Garnet Eyes | 2 | 1.65 | 1.81 |
| Kimono Clothes | 2 | 1.55 | 1.71 |
| Step Sister Role | 1 | 2.44 | 1.69 |
| Pinafore Dress Clothes | 1 | 2.36 | 1.64 |
| Blouse Clothes | 2 | 1.48 | 1.62 |
| Twin Blowjob Engages in (Sexual) | 2 | 1.44 | 1.58 |
| Class President Role | 1 | 2.28 | 1.58 |
| Body Writing Subject of (Sexual) | 1 | 2.17 | 1.51 |
| Vaginal Fingering Subject of (Sexual) | 3 | 1.08 | 1.50 |
| Doggy Style Subject of (Sexual) | 4 | 0.92 | 1.48 |
| Boobjob Engages in (Sexual) | 3 | 1.06 | 1.47 |
| Itome Eyes | 1 | 2.12 | 1.47 |
| Cross Necklace Clothes | 1 | 2.04 | 1.42 |
| Sixty-nine Engages in (Sexual) | 2 | 1.25 | 1.38 |
| Classmate Role | 2 | 1.23 | 1.35 |
| Over The Knee Socks Clothes | 1 | 1.93 | 1.34 |
| Antenna Hair | 1 | 1.92 | 1.33 |
| Cowgirl Subject of (Sexual) | 3 | 0.95 | 1.32 |
| Big Breasts Body | 2 | 1.19 | 1.30 |
| Naked Apron Clothes | 1 | 1.87 | 1.29 |
| Cunnilingus Subject of (Sexual) | 2 | 1.17 | 1.29 |
| Shoulder-length Hair | 3 | 0.91 | 1.27 |
| String Ribbon Tie Clothes | 1 | 1.81 | 1.26 |
| Braid Hair | 1 | 1.78 | 1.23 |
| Pajamas Clothes | 1 | 1.75 | 1.21 |
| Glasses Clothes | 2 | 1.08 | 1.19 |
| Miniskirt Clothes | 2 | 1.07 | 1.17 |
| Virgin Sex Engages in (Sexual) | 3 | 0.84 | 1.17 |
| Sitting Sex Subject of (Sexual) | 2 | 1.05 | 1.16 |
| Drinking Engages in | 1 | 1.64 | 1.13 |
| Mole Body | 1 | 1.62 | 1.12 |
| Black Hair | 3 | 0.81 | 1.12 |
| Sex in Classroom Engages in (Sexual) | 1 | 1.61 | 1.12 |
| Garter Belt Stockings Clothes | 1 | 1.61 | 1.11 |
| Older Sister Role | 1 | 1.55 | 1.08 |
| Vest Clothes | 1 | 1.53 | 1.06 |
| Blowjob Engages in (Sexual) | 3 | 0.76 | 1.05 |
| School Uniform Clothes | 3 | 0.74 | 1.02 |
| Seventh Posture Subject of (Sexual) | 1 | 1.45 | 1.01 |
| Younger Sister Role | 1 | 1.44 | 1.00 |
| Headband Clothes | 1 | 1.44 | 1.00 |
| Tank Top Clothes | 1 | 1.43 | 0.99 |
| Pantyhose Clothes | 1 | 1.42 | 0.98 |
| Cooking Engages in | 1 | 1.41 | 0.98 |
| Bathroom Sex Engages in (Sexual) | 1 | 1.39 | 0.97 |
| High School Student Role | 2 | 0.84 | 0.92 |
| Childhood Friend Role | 1 | 1.25 | 0.87 |
| Dress Clothes | 1 | 1.24 | 0.86 |
| Ribbon Hair Tie Clothes | 1 | 1.18 | 0.82 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.82 |
| Butterfly Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Handjob Engages in (Sexual) | 1 | 1.16 | 0.80 |
| Ponytail Hair | 1 | 1.10 | 0.76 |
| Brown Hair | 2 | 0.68 | 0.75 |
| Quickie Fix Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Kind Personality | 1 | 1.04 | 0.72 |
| Violet Eyes | 1 | 1.04 | 0.72 |
| Waist Length+ Hair | 1 | 0.80 | 0.55 |
| Long Hair | 1 | 0.75 | 0.52 |