Tsugou no Ii Kazoku


Tsugou no Ii Kazoku
TitleTsugou no Ii Kazoku
Original titleツゴウノイイ家族
LengthShort (2 - 10 hours)
Publishers D:drive. & Mints
Same series
Tsugou no Ii Idol
Tsugou no Ii Kanojo


Shortly after hearing about accident involving his brothers death, Souichi is contacted by his sister in law asking for help. Souichi has a history with sister in law in that they use to date and she left him for his brother. Souichi kept in very little contact since then. Shortly after managed to become a big success building his own company. He decides to take in his sister in law and her daughters but is still hesitant about how to approach them with his heart still cloud from the past.

Pure Love Story 3.0 Incest 3.0 Blood-related Uncle/Niece Incest 2.8 Protagonist's Niece as a Heroine 2.7 Rich Protagonist 2.4 Kyonyuu Heroine 2.3 Ejaculation Choice 2.3 Male Protagonist 2.2 Student Heroine 2.0 Under the Same Roof 2.0 Revenge 2.0 Adult Heroine 2.0 Widow Heroine 2.0 Oyakodon 2.0 Unlockable Harem Ending 2.0 Other Perspectives 2.0 Ex Heroine 2.0 Protagonist's Sister-in-Law as a Heroine 2.0 Adult Protagonist 2.0 Multiple Endings 2.0 Background Moans 2.0 Nukige 2.0 Heroine with Children 2.0 Group Sex of One Male and Several Females 2.0 Read Text Marking 2.0 Varying Ending Songs 2.0 Female Ejaculation 2.0 ADV 2.0 Protagonist with Sexual Experience 1.8 Romancing a Family 1.7 Classic Tsundere Heroine 1.7 Erotic Spanking 1.7 Heroine with Sexual Experience 1.7 Defloration 1.7 Flashback 1.7 Proactive Protagonist 1.7 Early Sexual Content 1.6 Doggy Style 1.5 Blood-related Sister/Sister Incest 1.5 Boobjob 1.5 Triple Blowjob 1.5 Jealousy 1.5 Discreet Sex 1.5 Anal Fingering 1.5 Missionary Position 1.3 Blowjob 1.3 Anal Sex 1.3 High Sexual Content 1.2 Heroine with a Braid 1.0 Sex in Water 1.0 Varied Title Screens 1.0 Wooden Horse 1.0 Boobs on Glass 1.0 Tsundere Heroine 1.0 Standing Sex 1.0 Spoons 1.0 Discreet Phone Sex 1.0 Soapy Massage 1.0 Heroine with Zettai Ryouiki 1.0 BDSM 1.0 Naked Sprites 1.0 Smoker Protagonist 1.0 Cowgirl 1.0 Masturbation 1.0 Ojousama Heroine 1.0 Sexual Blindfold 1.0 Quickie Fix Position 1.0 Sex in a Vehicle 1.0 Enema 1.0 Blood-related Mother/Daughter Incest 0.3


Kugutsu Souichi
Kugutsu Souichi九々津 操一 
Body, Young-adult, Younger Appearance
Personality, Cold-hearted, Distrustful, Proactive, Serious
Role, Ex-boyfriend, Executive, Full Brother, Not a Virgin, Uncle, Wealthy, Younger Brother
Engages in, Revenge
Subject of, Betrayal, Psychological Trauma
Engages in (Sexual), Anal Fingering, Anal Sex, Bathroom Sex, Bondage Sex, Butterfly, Cowgirl, Cunnilingus, Discreet Phone Sex, Doggy Style, Erotic Spanking, Group Sex, Incest, Missionary, Mutual Masturbation, Nipple Sucking, Quickie Fix, Reverse Missionary, Reverse Spitroast, Seventh Posture, Sex in a Vehicle, Sex in Front of an Audience, Sex in Public Places, Sex in Water, Sitting Sex, Sixty-nine, Spoons, Standing Sex, Tominagi, Vaginal Fingering
Subject of (Sexual), Blowjob, Boobjob, Footjob, Handjob, Triple Blowjob


Protagonist of the story. After being dumped by his girlfriend he dedicates all his time and anger into building his own business. After several years he accepts his sister-in-law and her daughters in his life but Souchi has plans to take revenge for all the pain and suffering that Haruka caused him in the past

<hidden by spoiler settings> Shortly after Haruka and her daughters moved to his house, Souichi treats them with hatred and contempt, but after they gradually relate to him, Souichi realizes that he is still the good person he was all of those years ago. He decides to leave his hatred and resentment to give his "new" family a chance.

Main characters

Kugutsu Asuka
Kugutsu Asuka九々津 飛鳥 
Hair, Blond, Brown, Parted to Side, Waist Length+
Eyes, Brown
Body, H to M Cup
Clothes, Bondage Harness, Dress, One Piece Swimsuit, School Uniform, Thigh-high Stockings, Wedding Dress
Personality, Deredere, Kind
Role, Pianist, Student
Engages in (Sexual), Blowjob, Boobjob, Group Sex, Handjob, Incest, Masturbation in front of an Audience, Peeing, Sex in Front of an Audience, Sex in Public Places, Sex in Water, Sixty-nine, Triple Blowjob, Vaginal Fingering, Virgin Sex
Subject of (Sexual), Anal Fingering, Butterfly, Cowgirl, Cunnilingus, Doggy Style, Missionary, Quickie Fix, Reverse Missionary, Sitting Sex, Spoons, Standing Sex, Tominagi, Vaginal Fingering
Voiced byHimekawa Airi


Souchi's niece and Haruka's oldest daughter. She is a very kind and affectionate person, she is the living image of her mother when she was younger.

<hidden by spoiler settings> When she was a child she found her mom's memory box keeping mementos and love letters that her uncle gave to her at the time they were a couple. After reading those letters she fell in love with her uncle believing she was born to be his wife.

Cup size: H

Kugutsu Haruka
Kugutsu Haruka九々津 晴香 
Hair, Black, Waist Length+
Eyes, Black
Body, H to M Cup
Clothes, Pantyhose, Pendant Necklace, Skirt Suit, Torn Pantyhose
Role, Ex-girlfriend, Mother, Not a Virgin, Secretary, Sister-in-law, Widow
Engages in, Betrayal, Lactation, Masochism
Subject of, Being Drugged, Debt, Marriage Proposal, Pregnancy, Whipping
Engages in (Sexual), Bathroom Sex, Blowjob, Discreet Phone Sex, Footjob, Group Sex, Handjob, Incest, Mutual Masturbation, Peeing, Pregnant Sex, Sex in a Vehicle, Sex in Front of an Audience, Sex in Public Places, Sex in Water, Sixty-nine, Triple Blowjob
Subject of (Sexual), Anal Fingering, Anal Sex, Boobs on Glass, Cowgirl, Doggy Style, Enema, Erotic Spanking, Missionary, Multiple Penetration, Nipple Sucking, Pink Rotor, Quickie Fix, Reverse Missionary, Seventh Posture, Sexual Slavery (Consensual), Single Hole Multiple Penetration, Sitting Sex, Spoons, Tominagi, Vaginal Fingering, Vibrator, Wooden Horse, X-Cross
Voiced byItou Sara


Haruka is Souchi's ex-girlfriend who left him for his brother after several years of relationship. Having no one else to turn after her husband death, she ask Souichi for help asking if he can look after her daughters.

<hidden by spoiler settings> She left Souchi because she was afraid that he would leave her because she did not consider herself a woman so good as to deserve him. In desperation she thought to console herself with Souchi's brother, however, despite marrying him and having two daughters, she never stopped loving Souchi.

Cup size: I

Kugutsu Nakoto
Kugutsu Nakoto九々津 那琴 
Hair, Brown, Long
Eyes, Brown
Body, E+ Cup
Clothes, Bikini, Chastity Belt, Dress, Eye Mask, Hairpin, Knee-high Socks, Ribbon Tie, School Uniform, Shimapan, Slave Collar
Personality, Classic Tsundere
Role, Student
Engages in, Masochism
Subject of, Being Drugged, Piggyback Ride, Whipping
Engages in (Sexual), Blowjob, Boobjob, Cunnilingus, Discreet Phone Sex, Female Ejaculation, Group Sex, Incest, Intercrural Sex, Masturbation in front of an Audience, Peeing, Sex in Water, Triple Blowjob, Vaginal Fingering, Virgin Sex
Subject of (Sexual), Anal Fingering, Anal Sex, Bondage Sex, Butterfly, Doggy Style, Erotic Spanking, Missionary, Multiple Penetration, Quickie Fix, Reverse Spitroast, Seventh Posture, Sexual Blindfold, Sexual Slavery (Consensual), Sitting Sex, Spoons, Standing Sex, Tominagi, Vaginal Fingering, Vibrator, Wooden Horse
Voiced byMisonoo Mei


Haruka's youngest daughter and Souchi's niece. From a young age, she despised Souchi because she noticed that her mother loved him instead of her father. Despite being a girl, she is the living image of her father.

<hidden by spoiler settings> Her greatest ambition is to rebuild her father's business, for this she has offered her body to her uncle in exchange for teaching her how to run a company, despite this she has been rejected on many occasions.

Cup size: G