Chichi no Jikan follows Kyūichi Shinogi, a male biology student who lives in an apartment near a helpful female neighbor/friend, Ayaka Takarai. One day, he is visited by aliens, who demand that he raise their baby for a year... or else the world is history. The baby is apparently human, and is raised the way humans are: through breastfeeding. Kyūichi's sex is not a problem for the aliens: they give him a simple device that switches his body to a woman's with the mere touch of a button. Conveniently, Kyūichi's female form is very well-endowed.
Although she's understandably confused and uncomfortable by the whole situation, Ayaka helps Kyūichi out as he navigates the unfamiliar experience of raising a child, and breastfeeding it in particular. That means going to a store to buy a breast pump, visiting a maternity home to get a massage to release Kyūichi's stored-up milk, and giving the baby a bath together. Kyūichi, as a biology student, is fascinated by the whole thing from an academic perspective.
Chichi no Jikan has finished publishing and it has 14 Chapters. It is also Known as: ちちのじかん, Breast Milk Time, Father Time, Breast Milk Time, Father Time
Genres: Comedy , Slice of Life , Ecchi , Gender Bender
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Top 5 Manga Like Chichi no Jikan [2026 List]
5. Yoku Wakaranai keredo Isekai ni Tensei Shiteita You Desu
I am cute, but I was a middle-aged researcher in my previous life?!
Surviving in another world with magic and sciences!!
The orphan Ren was riding the carriage after being sold, when she got involved into an accident, and got her previous life's memories back!
"I was... a middle-aged man!"
Indeed, she was a researcher in his thirties in her previous life, and had been living as an orphan girl up to now!
Ren will make use of her talents in magic and knowledge in science to survive in this harsh world in order to escape from the investor who bought her!
This Is Screwed Up, but I Was Reincarnated as a GIRL in Another World! is currently publishing and has Chapters. It is also Known as: よくわからないけれど異世界に転生していたようです, I Don't Really Get It, but It Looks like I Was Reincarnated in an Another World
4. Ayakashi Triangle
Japan may be brimming with mysterious monsters called ayakashi, but they have a special exorcist ninja force to counter the threat! Young exorcist ninja Matsuri spends his days fighting ayakashi to protect his childhood friend Suzu. But when an ayakashi cat named Shirogane shows up, things get turned upside down! Legendary mangaka Kentaro Yabuki returns to Shonen Jump with this new fantasy series full of ayakashi and romance!
Ayakashi Triangle has finished publishing and it has 144 Chapters. It is also Known as: あやかしトライアングル, Ayakashi Triangle
3. Ranma ½
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2. Boku Girl
Suzushiro Mizuki is a 1st year high school student who has the difficulty of constantly being mistaken for a girl. It's so bad that he's endlessly rebuffing the confessions of many men. Even the girl he has a crush on seems to think of him more as one of the girls rather than as a potential love interest.
Meanwhile, the trickster god Loki has grown bored with playing her tricks on her fellow gods. Turning her attention to the mortal world, she targets Mizuki for her next round of fun. The result: Mizuki wakes up with budding breasts and a missing part of his anatomy.
What else is in store for Mizuki and how will he deal with it?
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1. Yamada-kun to 7-nin no Majo
Ryuu Yamada is a second-year student at Suzaku High. Ryuu is always late for school, naps in class and gets abysmal grades. His life is a dead bore. The beautiful Urara Shiraishi, on the other hand, is Suzaku High's brightest student. One day, without explanation, their bodies are swapped! Ryuu ends up in Urara's body, and Urara in Ryuu's.
Includes the side stories Muramura and Sobasshi no Ryouri Yacchimauzo★
Yamada-kun and the Seven Witches has finished publishing and it has 245 Chapters. It is also Known as: 山田くんと7人の魔女, Yamada-kun to Nananin no Majo , 7 Witches , Maou no Kyoushitsu , The Devil's Classroom , Yamada-kun ve 7 Cadı
