Ten years ago, there was an accident during the transport of chemicals in the port city of Mizuho, as well as a series of murders, but it is now just a part of history. At that time, Izana suddenly became separated from her best friend Tetsuo, and she never could come to terms with his disappearance. This summer Tetsuo suddenly reappeared before the overjoyed Izana. However, he revealed to her a terrible truth… [From Hau~ Omochikaeri!]
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Swimming Engages in | 4 | 1.96 | 3.16 |
| Childishly Violent Personality | 2 | 2.64 | 2.90 |
| Sex with Protagonist Only Engages in (Sexual) | 4 | 1.68 | 2.70 |
| Olive Body | 4 | 1.66 | 2.67 |
| Swimsuit Clothes | 2 | 2.27 | 2.50 |
| Disappearance Subject of | 2 | 2.26 | 2.48 |
| Detective Role | 2 | 2.21 | 2.42 |
| French Kiss Engages in (Sexual) | 4 | 1.48 | 2.38 |
| Sex on Beach Engages in (Sexual) | 2 | 2.15 | 2.36 |
| Protective Personality | 3 | 1.67 | 2.32 |
| Hotblooded Personality | 2 | 2.10 | 2.31 |
| Optimist Personality | 2 | 2.03 | 2.23 |
| Bathroom Sex Engages in (Sexual) | 4 | 1.39 | 2.23 |
| Secretive Personality | 2 | 2.00 | 2.20 |
| Funny Personality | 2 | 2.00 | 2.19 |
| Female Ejaculation Engages in (Sexual) | 4 | 1.36 | 2.19 |
| Friendly Personality | 5 | 1.22 | 2.18 |
| Nipple Teasing Subject of (Sexual) | 3 | 1.57 | 2.18 |
| Student Council Secretary Role | 1 | 3.09 | 2.14 |
| Investigation Engages in | 2 | 1.86 | 2.04 |
| Bikini Skirt Clothes | 1 | 2.93 | 2.03 |
| Smart Personality | 3 | 1.46 | 2.02 |
| Daughter Role | 3 | 1.45 | 2.02 |
| Blunt Personality | 2 | 1.83 | 2.01 |
| Legal Guardian Role | 1 | 2.88 | 2.00 |
| Friend Role | 4 | 1.20 | 1.93 |
| Side Tail Hair | 2 | 1.75 | 1.92 |
| Stoic Personality | 2 | 1.70 | 1.87 |
| Skirt Clothes | 3 | 1.34 | 1.85 |
| Misandrist Personality | 1 | 2.67 | 1.85 |
| Kind Personality | 5 | 1.03 | 1.84 |
| Relaxed Personality | 2 | 1.64 | 1.80 |
| Childhood Friend Role | 3 | 1.26 | 1.74 |
| Apron Clothes | 2 | 1.58 | 1.74 |
| Sports Swimsuit Clothes | 1 | 2.49 | 1.72 |
| Non-blood-related Son Role | 1 | 2.49 | 1.72 |
| Drawing Engages in | 1 | 2.47 | 1.71 |
| Sitting Sex Subject of (Sexual) | 4 | 1.06 | 1.71 |
| Ribbon Headband Clothes | 1 | 2.45 | 1.70 |
| School Swimming Club Member Role | 1 | 2.45 | 1.70 |
| Legwear Footjob Engages in (Sexual) | 1 | 2.44 | 1.69 |
| Parted to Side Hair | 4 | 1.05 | 1.69 |
| Modern Tsundere Personality | 1 | 2.42 | 1.68 |
| Pendant Necklace Clothes | 2 | 1.52 | 1.67 |
| Off Screen Sex (obsolete) Engages in (Sexual) | 1 | 2.41 | 1.67 |
| Amber Eyes | 4 | 1.03 | 1.66 |
| Bodysponge Engages in (Sexual) | 1 | 2.38 | 1.65 |
| Serious Personality | 2 | 1.49 | 1.63 |
| Standing Sex Subject of (Sexual) | 3 | 1.18 | 1.63 |
| Non-blood-related Daughter Role | 1 | 2.35 | 1.63 |
| Green Hair | 2 | 1.48 | 1.62 |
| Sensitive Personality | 1 | 2.33 | 1.62 |
| Outdoor Sex Engages in (Sexual) | 3 | 1.16 | 1.60 |
| Handjob Engages in (Sexual) | 3 | 1.16 | 1.60 |
| School Swimsuit Clothes | 1 | 2.31 | 1.60 |
| Bikini Clothes | 2 | 1.46 | 1.60 |
| Divorcee Role | 1 | 2.30 | 1.60 |
| Obedient Personality | 1 | 2.28 | 1.58 |
| Tanline Body | 1 | 2.26 | 1.57 |
| Whimsical Personality | 1 | 2.26 | 1.56 |
| Athletics Engages in | 1 | 2.25 | 1.56 |
| High Heels Clothes | 1 | 2.24 | 1.55 |
| Missionary Subject of (Sexual) | 3 | 1.12 | 1.55 |
| Martial Arts Engages in | 1 | 2.23 | 1.55 |
| Hairpin Clothes | 2 | 1.40 | 1.54 |
| Sexual Fantasy Subject of (Sexual) | 1 | 2.22 | 1.54 |
| Cowgirl Subject of (Sexual) | 4 | 0.95 | 1.53 |
| High School Student Role | 5 | 0.85 | 1.53 |
| Pragmatic Personality | 1 | 2.20 | 1.52 |
| Footjob Subject of (Sexual) | 1 | 2.18 | 1.51 |
| Lazy Personality | 1 | 2.15 | 1.49 |
| Tominagi Subject of (Sexual) | 2 | 1.36 | 1.49 |
| Not Sexually Involved Engages in (Sexual) | 2 | 1.35 | 1.49 |
| Condom Sex Engages in (Sexual) | 1 | 2.14 | 1.49 |
| Management Role | 1 | 2.12 | 1.47 |
| Possessive Personality | 1 | 2.12 | 1.47 |
| Insightful Personality | 1 | 2.10 | 1.45 |
| Flat Chest Body | 1 | 2.09 | 1.45 |
| Shopkeeper Role | 1 | 2.09 | 1.45 |
| Domestic Partner Role | 1 | 2.09 | 1.45 |
| Honor Student Role | 1 | 2.09 | 1.45 |
| Tiny Braid Hair | 1 | 2.07 | 1.44 |
| Student Council President Role | 1 | 2.07 | 1.43 |
| Brave Personality | 1 | 2.05 | 1.42 |
| Smoking Engages in | 1 | 2.04 | 1.41 |
| Butterfly Engages in (Sexual) | 1 | 2.02 | 1.40 |
| Emotional Personality | 1 | 2.01 | 1.39 |
| Sixty-nine Engages in (Sexual) | 2 | 1.26 | 1.38 |
| Decorative Belt Clothes | 1 | 1.98 | 1.37 |
| Virgin Sex Engages in (Sexual) | 4 | 0.85 | 1.37 |
| Sharp-tongued Personality | 1 | 1.97 | 1.37 |
| Tomboy Personality | 1 | 1.96 | 1.36 |
| Ojousama Role | 1 | 1.95 | 1.35 |
| School Uniform Clothes | 5 | 0.75 | 1.35 |
| Strange Personality | 1 | 1.94 | 1.35 |
| Part-time Worker Role | 1 | 1.90 | 1.32 |
| Tanned Body | 1 | 1.90 | 1.32 |
| Ribbon Hair Tie Clothes | 2 | 1.19 | 1.31 |
| Quickie Fix Engages in (Sexual) | 1 | 1.88 | 1.30 |
| Standing Sex Engages in (Sexual) | 1 | 1.87 | 1.29 |
| Boobjob Subject of (Sexual) | 1 | 1.86 | 1.29 |
| Cunnilingus Subject of (Sexual) | 2 | 1.16 | 1.28 |
| Strict Personality | 1 | 1.83 | 1.27 |
| Sitting Sex Engages in (Sexual) | 1 | 1.82 | 1.26 |
| Hair Ribbon Clothes | 1 | 1.80 | 1.25 |
| Big Breasts Body | 2 | 1.13 | 1.24 |
| Bun Hair | 1 | 1.77 | 1.23 |
| Hair Flower Clothes | 1 | 1.77 | 1.23 |
| Blowjob Engages in (Sexual) | 4 | 0.76 | 1.22 |
| Handjob Subject of (Sexual) | 1 | 1.75 | 1.21 |
| Missionary Engages in (Sexual) | 1 | 1.74 | 1.21 |
| Reverse Missionary Subject of (Sexual) | 1 | 1.74 | 1.20 |
| Cowgirl Engages in (Sexual) | 1 | 1.71 | 1.19 |
| Quickie Fix Subject of (Sexual) | 2 | 1.08 | 1.19 |
| Vaginal Fingering Subject of (Sexual) | 2 | 1.08 | 1.19 |
| Orphan Role | 1 | 1.70 | 1.18 |
| Hoodie Clothes | 1 | 1.70 | 1.18 |
| Arrogant Personality | 1 | 1.70 | 1.18 |
| Boobjob Engages in (Sexual) | 2 | 1.07 | 1.17 |
| Doggy Style Engages in (Sexual) | 1 | 1.68 | 1.17 |
| Stubborn Personality | 1 | 1.67 | 1.16 |
| Crop Top Clothes | 1 | 1.66 | 1.15 |
| Collar Clothes | 1 | 1.66 | 1.15 |
| Violet Eyes | 2 | 1.05 | 1.15 |
| Wealthy Role | 1 | 1.65 | 1.15 |
| No Bangs Hair | 1 | 1.65 | 1.14 |
| Popular Role | 1 | 1.64 | 1.13 |
| Kouhai Role | 1 | 1.63 | 1.13 |
| Nail Polish Body | 1 | 1.62 | 1.13 |
| Slim Body | 6 | 0.58 | 1.12 |
| Drinking Engages in | 1 | 1.61 | 1.12 |
| Blue Eyes | 3 | 0.80 | 1.11 |
| Bracelet Clothes | 1 | 1.56 | 1.08 |
| Cunnilingus Engages in (Sexual) | 1 | 1.55 | 1.08 |
| Hard Worker Personality | 1 | 1.54 | 1.07 |
| Blowjob Subject of (Sexual) | 1 | 1.52 | 1.05 |
| Long Hair | 3 | 0.75 | 1.04 |
| Choker Clothes | 1 | 1.50 | 1.04 |
| Necklace Clothes | 1 | 1.50 | 1.04 |
| Mother Role | 1 | 1.46 | 1.01 |
| Younger Sister Role | 1 | 1.44 | 1.00 |
| Suit Clothes | 1 | 1.44 | 1.00 |
| Teen Body | 4 | 0.62 | 1.00 |
| Earrings Clothes | 1 | 1.42 | 0.98 |
| Not a Virgin Role | 1 | 1.41 | 0.98 |
| Tank Top Clothes | 1 | 1.41 | 0.98 |
| Blond Hair | 2 | 0.89 | 0.98 |
| Nipple Sucking Subject of (Sexual) | 1 | 1.38 | 0.96 |
| Kid Body | 1 | 1.37 | 0.95 |
| Wavy Hair | 1 | 1.36 | 0.94 |
| White Hair | 1 | 1.33 | 0.92 |
| Pink Hair | 1 | 1.33 | 0.92 |
| Black Hair | 2 | 0.80 | 0.88 |
| Belt Clothes | 1 | 1.27 | 0.88 |
| Parted in Middle Hair | 1 | 1.25 | 0.87 |
| Young-adult Body | 2 | 0.76 | 0.84 |
| Blue Hair | 1 | 1.19 | 0.83 |
| Butterfly Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Tareme Eyes | 1 | 1.11 | 0.77 |
| Ponytail Hair | 1 | 1.10 | 0.76 |
| Brown Hair | 2 | 0.68 | 0.75 |
| Glasses Clothes | 1 | 1.08 | 0.75 |
| Miniskirt Clothes | 1 | 1.06 | 0.74 |
| Green Eyes | 1 | 1.02 | 0.70 |
| Spiky Bangs Hair | 1 | 1.00 | 0.69 |
| Straight Hair | 1 | 0.94 | 0.65 |
| Doggy Style Subject of (Sexual) | 1 | 0.92 | 0.64 |
| Shoulder-length Hair | 1 | 0.92 | 0.64 |
| Brown Eyes | 1 | 0.90 | 0.63 |
| Waist Length+ Hair | 1 | 0.81 | 0.56 |
| Pale Body | 3 | 0.37 | 0.51 |
| Short Hair | 1 | 0.61 | 0.42 |