The story takes place on a reclaimed island, where sunflowers are planted all over, beautiful butterflies fly around and stray penguins roam around. Nagisa is a boy who can't remember his past. One day, he meets some girls. As the story goes, he gradually finds an important person deep inside his memory and true himself. The summer you were there. The summer you weren't there. The summer with you. Through various events with the girls, what kind of memory will he reach? [From ErogeShop]
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| Name | Characters | Importance | Weight |
|---|---|---|---|
| Sailor School Uniform Clothes | 7 | 1.47 | 3.06 |
| Capri Pants Clothes | 2 | 2.61 | 2.87 |
| Clothing with Ribbons Clothes | 4 | 1.58 | 2.54 |
| Spiky Bangs Hair | 10 | 1.00 | 2.39 |
| Shimapan Clothes | 2 | 2.14 | 2.35 |
| Bikini Clothes | 4 | 1.46 | 2.34 |
| Tareme Eyes | 7 | 1.11 | 2.30 |
| Honor Student Role | 2 | 2.09 | 2.29 |
| Ribbon Tie Clothes | 5 | 1.25 | 2.24 |
| Made-up Words Personality | 1 | 3.23 | 2.24 |
| Cuffs Clothes | 2 | 2.03 | 2.23 |
| Dress Shoes Clothes | 2 | 2.02 | 2.22 |
| Miniskirt Clothes | 7 | 1.06 | 2.21 |
| Lollipop Items | 1 | 3.14 | 2.18 |
| Ahoge Hair | 4 | 1.32 | 2.13 |
| Schoolmate Role | 2 | 1.90 | 2.09 |
| Tray Items | 1 | 2.99 | 2.07 |
| Word Repetition Personality | 1 | 2.93 | 2.03 |
| Church Sex Engages in (Sexual) | 1 | 2.91 | 2.02 |
| Boku Personality | 2 | 1.78 | 1.96 |
| Mullet Hair | 1 | 2.82 | 1.96 |
| Hair Flower Clothes | 2 | 1.77 | 1.94 |
| Knee-high Socks Clothes | 3 | 1.38 | 1.92 |
| Tsurime Eyes | 3 | 1.38 | 1.92 |
| Sports Shoes Clothes | 2 | 1.72 | 1.89 |
| Parted to Side Hair | 5 | 1.05 | 1.88 |
| High School Student Role | 8 | 0.85 | 1.87 |
| Thigh-high Stockings Clothes | 5 | 1.04 | 1.87 |
| Naive Personality | 2 | 1.69 | 1.86 |
| Carefree Personality | 2 | 1.68 | 1.85 |
| Intake Hair | 2 | 1.68 | 1.84 |
| Umbrella Items | 1 | 2.65 | 1.84 |
| Title Character Role | 1 | 2.61 | 1.81 |
| Tiny Body | 1 | 2.60 | 1.81 |
| Mini-dress Clothes | 2 | 1.64 | 1.80 |
| Master Role | 1 | 2.57 | 1.78 |
| School Sports Club Member Role | 1 | 2.56 | 1.77 |
| Sex in Public Places Engages in (Sexual) | 3 | 1.26 | 1.75 |
| Apron Clothes | 2 | 1.59 | 1.74 |
| School Uniform Clothes | 9 | 0.76 | 1.74 |
| School Nurse Role | 1 | 2.46 | 1.71 |
| Consumption of Porn Engages in (Sexual) | 1 | 2.46 | 1.71 |
| Bridal Carry Subject of | 1 | 2.42 | 1.68 |
| Friend Role | 3 | 1.20 | 1.67 |
| Maid's Dress Clothes | 2 | 1.51 | 1.66 |
| Amber Eyes | 4 | 1.03 | 1.66 |
| Weakness Subject of | 1 | 2.39 | 1.66 |
| Ribbon Hair Tie Clothes | 3 | 1.19 | 1.65 |
| Kind Personality | 4 | 1.03 | 1.65 |
| Student Council Member Role | 1 | 2.37 | 1.64 |
| Non-Humanoid Body | 1 | 2.35 | 1.63 |
| Ignorant Personality | 1 | 2.35 | 1.63 |
| Tie Pin Clothes | 1 | 2.34 | 1.63 |
| Jitome Eyes | 1 | 2.34 | 1.62 |
| Outdoor Sex Engages in (Sexual) | 3 | 1.16 | 1.60 |
| Smart Personality | 2 | 1.46 | 1.60 |
| Sidehair Hair | 4 | 0.98 | 1.58 |
| Leggings Clothes | 1 | 2.27 | 1.57 |
| Heterochromia Eyes | 1 | 2.25 | 1.56 |
| Sexual Cosplay Engages in (Sexual) | 1 | 2.24 | 1.55 |
| Necktie Clothes | 3 | 1.12 | 1.55 |
| Hair Tie Clothes | 2 | 1.41 | 1.55 |
| Body Ribbon Clothes | 1 | 2.23 | 1.54 |
| Hairpin Clothes | 2 | 1.40 | 1.54 |
| Fur Body | 1 | 2.22 | 1.54 |
| Cat Role | 1 | 2.22 | 1.54 |
| Teen Body | 11 | 0.62 | 1.54 |
| Nature Lover Personality | 1 | 2.19 | 1.52 |
| Pet Owner Role | 1 | 2.17 | 1.51 |
| Quickie Fix Subject of (Sexual) | 3 | 1.08 | 1.50 |
| Teal Hair | 1 | 2.16 | 1.50 |
| Boobs on Glass Subject of (Sexual) | 1 | 2.15 | 1.49 |
| Sex on Beach Engages in (Sexual) | 1 | 2.15 | 1.49 |
| Wavy Hair | 2 | 1.36 | 1.49 |
| Tominagi Subject of (Sexual) | 2 | 1.36 | 1.49 |
| Odango Hair | 1 | 2.15 | 1.49 |
| Third Person Personality | 1 | 2.11 | 1.47 |
| White Hair | 2 | 1.33 | 1.47 |
| Court Shoes Clothes | 1 | 2.10 | 1.46 |
| Violent Personality | 1 | 2.10 | 1.46 |
| Medical Doctor Role | 1 | 2.08 | 1.44 |
| Curtained Hair | 2 | 1.30 | 1.43 |
| Thick Eyebrows Hair | 1 | 2.06 | 1.43 |
| Docile Personality | 1 | 2.04 | 1.42 |
| Kemonomimi Headband Clothes | 1 | 2.04 | 1.42 |
| Optimist Personality | 1 | 2.03 | 1.41 |
| Sex in a Vehicle Engages in (Sexual) | 1 | 2.03 | 1.41 |
| Furry Tail Body | 1 | 2.02 | 1.40 |
| Neighbor Role | 1 | 1.99 | 1.38 |
| Slim Body | 10 | 0.58 | 1.38 |
| Turtleneck Shirt Clothes | 1 | 1.98 | 1.38 |
| Tomboy Personality | 1 | 1.96 | 1.36 |
| Cold-hearted Personality | 1 | 1.96 | 1.36 |
| Ojousama Role | 1 | 1.95 | 1.35 |
| High Heeled Shoes Clothes | 1 | 1.95 | 1.35 |
| Amnesia Subject of | 1 | 1.95 | 1.35 |
| Sandals Clothes | 1 | 1.93 | 1.34 |
| Curious Personality | 1 | 1.92 | 1.33 |
| Part-time Worker Role | 1 | 1.90 | 1.32 |
| Violet Hair | 2 | 1.20 | 1.32 |
| Red Eyes | 2 | 1.20 | 1.31 |
| Trousers Clothes | 2 | 1.19 | 1.30 |
| Fang Body | 1 | 1.88 | 1.30 |
| Unusual Hair Ornaments Clothes | 1 | 1.88 | 1.30 |
| Tsundere Personality | 1 | 1.87 | 1.30 |
| Multicolored Hair | 1 | 1.86 | 1.29 |
| Doggy Style Subject of (Sexual) | 3 | 0.92 | 1.28 |
| Maid Role | 1 | 1.84 | 1.27 |
| Shoulder-length Hair | 3 | 0.92 | 1.27 |
| Detached Sleeves Clothes | 1 | 1.82 | 1.26 |
| Waitstaff Role | 1 | 1.82 | 1.26 |
| Hair Ribbon Clothes | 1 | 1.80 | 1.25 |
| Lab Coat Clothes | 1 | 1.79 | 1.24 |
| Twin Tails Hair | 2 | 1.13 | 1.24 |
| Side Tail Hair | 1 | 1.75 | 1.21 |
| Deredere Personality | 1 | 1.74 | 1.21 |
| Reverse Missionary Subject of (Sexual) | 1 | 1.74 | 1.20 |
| Glasses Clothes | 2 | 1.08 | 1.19 |
| Anal Fingering Subject of (Sexual) | 1 | 1.71 | 1.19 |
| Hoodie Clothes | 1 | 1.70 | 1.18 |
| Boobjob Engages in (Sexual) | 2 | 1.07 | 1.17 |
| Mysterious Personality | 1 | 1.69 | 1.17 |
| Boots Clothes | 1 | 1.68 | 1.16 |
| Collar Clothes | 1 | 1.67 | 1.15 |
| Cyan Eyes | 1 | 1.67 | 1.15 |
| Violet Eyes | 2 | 1.05 | 1.15 |
| Ribbon Hair Accessory Clothes | 1 | 1.66 | 1.15 |
| Popular Role | 1 | 1.64 | 1.13 |
| Kouhai Role | 1 | 1.63 | 1.13 |
| Reverse Cowgirl Subject of (Sexual) | 1 | 1.63 | 1.13 |
| Maid's Headdress Clothes | 1 | 1.63 | 1.13 |
| Pink Eyes | 1 | 1.62 | 1.12 |
| Senpai Role | 1 | 1.61 | 1.12 |
| Kimono Clothes | 1 | 1.57 | 1.09 |
| Sex in Water Engages in (Sexual) | 1 | 1.56 | 1.08 |
| Bracelet Clothes | 1 | 1.56 | 1.08 |
| Refined Personality | 1 | 1.54 | 1.07 |
| Vest Clothes | 1 | 1.52 | 1.06 |
| Blowjob Engages in (Sexual) | 3 | 0.76 | 1.06 |
| Energetic Personality | 1 | 1.52 | 1.05 |
| Pendant Necklace Clothes | 1 | 1.52 | 1.05 |
| Cowgirl Subject of (Sexual) | 2 | 0.95 | 1.05 |
| Serious Personality | 1 | 1.49 | 1.03 |
| Green Hair | 1 | 1.48 | 1.03 |
| Pissing Engages in (Sexual) | 1 | 1.47 | 1.02 |
| Daughter Role | 1 | 1.46 | 1.01 |
| Headband Clothes | 1 | 1.45 | 1.01 |
| Short Hair | 4 | 0.61 | 0.98 |
| Bathroom Sex Engages in (Sexual) | 1 | 1.39 | 0.96 |
| Nipple Sucking Subject of (Sexual) | 1 | 1.38 | 0.96 |
| Hosome Eyes | 1 | 1.37 | 0.95 |
| Brown Hair | 3 | 0.68 | 0.95 |
| Pink Hair | 1 | 1.33 | 0.92 |
| Pale Body | 11 | 0.37 | 0.91 |
| Waist Length+ Hair | 2 | 0.81 | 0.89 |
| Blue Eyes | 2 | 0.80 | 0.88 |
| Belt Clothes | 1 | 1.27 | 0.88 |
| Sixty-nine Engages in (Sexual) | 1 | 1.26 | 0.87 |
| Childhood Friend Role | 1 | 1.26 | 0.87 |
| Parted in Middle Hair | 1 | 1.25 | 0.87 |
| Classmate Role | 1 | 1.23 | 0.85 |
| Friendly Personality | 1 | 1.22 | 0.84 |
| Blue Hair | 1 | 1.19 | 0.83 |
| Anal Sex Subject of (Sexual) | 1 | 1.19 | 0.82 |
| Long Hair | 2 | 0.75 | 0.82 |
| Standing Sex Subject of (Sexual) | 1 | 1.18 | 0.81 |
| Butterfly Subject of (Sexual) | 1 | 1.17 | 0.81 |
| Cunnilingus Subject of (Sexual) | 1 | 1.16 | 0.81 |
| Shirt Clothes | 1 | 1.16 | 0.80 |
| Ponytail Hair | 1 | 1.10 | 0.76 |
| Vaginal Fingering Subject of (Sexual) | 1 | 1.08 | 0.75 |
| Green Eyes | 1 | 1.02 | 0.71 |
| Straight Hair | 1 | 0.94 | 0.65 |
| Blond Hair | 1 | 0.89 | 0.62 |