
If you're looking for anime similar to Kodomo no Jikan: Kuro-chan to Shiro-chan, you might like these titles.
When Haruma Kawagoe was a boy his mother had a miscarriage; and to make up for it, Haruma asked Santa for a little sister at Christmas. Now, years later, Haruma is a college student living away from home. His slumber is disturbed one night by the faint sound of… Santa on a flying motorcycle?! She has come to deliver a present that has taken many years to make: a little sister of his own, a little girl he names Choco. The two of them begin to live together but Choco has a lot to learn, and all of her life skills must come from what her brother tells her and her instruction manual. Choco's life is her brother, but as time goes by she gradually learns to become her own person.
Teioh High School is renowned as being the worst educational institute in all of Kanto, and its principal has given up hope as the teachers abandon him one by one. That is, until a crazy and mysterious man named Ganpachi Chabane arrives, promising a new era of discipline for the unruly students despite his shadowy history. His unusual techniques are not received well and Hinako, a beautiful gang leader, uses her unrivalled strength to dispose of this new ultimate teacher. Can she still defeat this perverted man once he discovers her cotton-wearing weakness?
The everyday life of the average, everyday guy is filled with the hope of getting even just a glimpse of an attractive woman's delicates in any way possible, and in any location: on the subway, in the park, or even under a table. One particular guy, Steve, finds it to be an amazing hobby, and would stoop to new lows to further his collection of panty shots, which he has hung about his room in a most decorative fashion. Colorful is a spastic, strange and extremely high octane way to look at the world of the typical man.
Sixteen-year-old Takeshi Chimatsuri is the son of a famous samurai and on his way to becoming one himself, but an old family feud soon makes his life much more difficult. For his father, long ago, stole a family heirloom from a powerful ninja that he defeated – and now, his two granddaughters have arrived to take it back. From invisibility potions to their naked bodies, the two girls will stop at nothing to get back what was taken from their family!
Suekichi goes to university and has, as any Japanese university student, time for hobbies. Things change when he attends his great grandfather's funeral and wakes the next morning in his room with a very sexy girl besides him. His great grandfather has left him a *little* inheritance but there are some conditions. Meanwhile, sexy Aya keeps hanging around and refuses to go away. The beginning of a strange relationship which revolves around suspicions and desire.