If you're looking for anime similar to Dr. Ginko wa Tadaima Chiryouchu, you might like these titles.
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.
Rin and her classmates are beginning the fourth grade. While Aoki and Seiji remain suspicious of each other's intentions regarding the young girl, Rin unexpectedly becoming the class representative continues to confuse Aoki in his attempt at understanding the precocious child.
Hiroshi Karigari is a mad scientist, is in love with the beautiful tennis star Marie, and is incredibly lonely. So lonely, in fact, that he decides to create his own robotic version of Marie to enjoy for his own! Though she is content, at first, with assuming the role of Hiroshi’s “brother”, Marie soon finds that she wants him as more than a friend… but difficulties await! From childhood rivals to the affections of the human Marie, plenty of obstacles lie in the path of romance. Will machine or human love win the affections of the bumbling Hiroshi? Only time will tell…
Due to his upbringing with a wrestler mother and an equally-as-strong sister who beat him up constantly, Kinjirou Sakamachi would rather die than be touched by the opposite sex. So when the boy accidentally discovers that the dreamy school idol (and butler of the wealthy Kanade) Subaru is actually a girl in disguise, Kinjirou finds his life becomes far more complicated. For in exchange for keeping Subaru's gender a secret, Kanade is determined to cure Kinjirou of his gynophobia, with Subaru's help, once and for all...
When high school student Haruka Shinozaki confesses his feelings to the beautiful and aloof class representative, Akiho Kosaka, the last thing he expected was for her to say "yes." Like everything else in her diligent life, Kosaka takes dating quite seriously. In an effort to be a good girlfriend, Kosaka decides to meticulously study (and bluntly suggest) all manner of ways to keep Shinozaki sexually satisfied… in the theoretical sense, that is. This innocently lewd relationship is only just beginning!