If you're looking for manga similar to Kyou no Asuka Show, you might like these titles.
Yoshizawa's friends, Itou, Kitahara, and Nishida often stop by and together they run into 'adult'-level problems. Like her need for advice on drawing realistic penises in her manga, since she's never encountered one in real life before. Or the day when her friends drop by while Yoshizawa's hungover in bed, and she suddenly realizes that she doesn't have on any underwear under the covers. There are a lot of quirky things that can happen in a college girl's home!
Who needs dialog when you're this cute? The beautiful (but unlucky) Momoko, the cool, collected Shibumi, and the refreshingly innocent Mayumi star in a "silent manga." No speeches, no dialog! Just pictures, sound effects, and three high school girls living their daily lives.
Shinjirou's brother is a brilliant scientist whose chosen career is making weird cell phones. Shinjirou has received a gift of his brother's latest product, the Doll-Phone, which is a walking, talking, tiny girl who doubles as a cell phone. But he can't help feeling that a phone like that seems kind of perverted to use...
Riku can’t get Shizuku out of his head to the point where she’s invaded his dreams. Then, one day, she stops by his house and comes on to him hard: “Do whatever you want to me.” The catch? She’s his best friend’s girlfriend. In their last year of high school, a dangerous romance brews!
A man in the middle of a mental breakdown caused by overwork becomes the chosen target of a young succubus. In his exhausted state, he can't provide the "food" she needs, so she takes it upon herself to treat his depression to restore his energy so she can feed.
Follows Kyuuichi 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. Kyuuichi'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, Kyuuichi's female form is very well-endowed. Although she's understandably confused and uncomfortable by the whole situation, Ayaka helps Kyuuichi out as he navigates the unfamiliar experience of raising a child - and breastfeeding it in particular.
Satoh Jubei, a pervert and fighting expert, has moved to a new home again started off his ridiculous school life with other interesting people. The first one he met was a girl called Ayako, who has unrealistic expectations in Tokyo life. They had some extra-ordinarily close body contact.