Vol.01 Ch.001 Fallen Vol.01 Ch.002 Conquer Vol.01 Ch.003 Soar!! Vol.01 Ch.004 Sink!! Vol.02 Ch.005 Home Work Vol.02 Ch.006 Dirge! Vol.02 Ch.007 Blown Up!! Vol.02 Ch.008 Homeless Vol.02 Ch.008.5 The First Allowance Vol.02 Ch.009 Lies Vol.02 Ch.009.5 The First Errand Vol.03 Ch.010 Emotions Vol.03 Ch.011 The Female Bath Area!! Vol.03 Ch.012 School!! Vol.03 Ch.013 Multiply!! Vol.03 Ch.014 Smile Attack!! Vol.04 Ch.015 Toy!! Vol.04 Ch.015.5 The North Wind and the Sun Vol.04 Ch.016 Orders Vol.04 Ch.017 Camp!! Vol.04 Ch.018 Dive!! Vol.05 Ch.019 Contest!! Vol.05 Ch.020 Date!! Vol.05 Ch.021 Culture!! Vol.05 Ch.022 Eliminate!! Vol.05 Ch.022.5 Her First Change of Residence Vol.05 Ch.022.6 Her First Change of Clothes Vol.06 Ch.023 War!! Vol.06 Ch.024 Investigation!! Vol.06 Ch.025 Out of Money!! Vol.06 Ch.026 Supplementary Lessons!! Vol.06 Ch.026.5 The First Excavation Vol.07 Ch.027 Swimming!! Vol.07 Ch.028 Survival!! Vol.07 Ch.029 Chaos!! Vol.07 Ch.030 Dolly!! Vol.07 Ch.030.1 The North Wind and the Sun 2 Vol.07 Ch.030.2 The Smartest Kid Championship Vol.08 Ch.031 Second Generation Angeloid Vol.08 Ch.031.6 Hide Your Porn Neatly Under the Bed (Astraea) Vol.08 Ch.031.7 Hide Your Porn Neatly Under the Bed (Nymph) Vol.08 Ch.031.8 Hide Your Porn Neatly Under the Bed (Ikaros) Vol.08 Ch.032 Letter Vol.08 Ch.033 Cleansing Vol.08 Ch.034 New Member!! Vol.09 Ch.035 Purity!! Vol.09 Ch.036 Doubts!! Vol.09 Ch.037 Hiyori!! Vol.09 Ch.038 Forgetfulness Vol.10 Ch.039 Conflict!! Vol.10 Ch.040 Leaving The Club!! Vol.10 Ch.041 Execution!! Vol.10 Ch.042 Combine!! Vol.10 Ch.042.5 Omake An Oppai Mousepad and I Vol.11 Ch.043 Division!! Vol.11 Ch.044 Culture! Vol.11 Ch.045 Freedom!! Vol.11 Ch.046 Love!! Vol.12 Ch.047 The Road Home!! Vol.12 Ch.048 Stray Dogs!! Vol.12 Ch.049 Sakurai!! Vol.12 Ch.050 Measurement!! Vol.13 Ch.051 Watermelon!! Vol.13 Ch.052 Language Vol.13 Ch.053 The World!! Vol.13 Ch.054 Sign of Life!! Vol.14 Ch.055 Power!! Vol.14 Ch.056 Intellect!! Vol.14 Ch.057 Holy Night!! Vol.14 Ch.057.5 Sora no Otoshimono The Movie Vol.15 Ch.058 Friendship! Vol.15 Ch.059 Siblings!! Vol.15 Ch.060 Sisters!! Vol.15 Ch.061 Chops!! Vol.16 Ch.062 Shyness!! Vol.16 Ch.063 Tides!! Vol.16 Ch.064 Cycle!! Vol.16 Ch.065 Fireworks!! Vol.17 Ch.066 Summer's End!! Vol.17 Ch.067 Family!! Vol.17 Ch.068 Lost Memories!! Vol.17 Ch.069 Reward!! Vol.18 Ch.070 Morals!! Vol.18 Ch.071 Atonement!! Vol.18 Ch.072 Stone!! Vol.18 Ch.073 Demise!! Vol.19 Ch.074 Void!! Vol.19 Ch.075 Freedom!! Vol.19 Ch.076 Happiness!! Vol.19 Ch.077.1 Normality!! Vol.19 Ch.077.2 Normality!! Vol.20 Ch.077 Normal!! Vol.20 Ch.077.5 The Strongest Middle Schooler Vol.20 Ch.077.6 The first birthday (Full color) Vol.20 Ch.077.7 Black and White!!