If you're looking for manga similar to Cross Days, you might like these titles.
Can true love really overcome any obstacles? Saki, a high school student, confesses her feelings to Makoto. Taken aback, Makoto reveals his secret, but the sudden discovery doesn’t seem to bother Saki who is already head over heels for him. After being rejected, Saki asks Ryuji, Makoto’s childhood friend, for some advice on how to win his heart. A love triangle unfolds when Ryuji realizes that he might also have some feelings for his old friend.
Hirono Hiro is a high-school student, and secretly a shoujo mangaka, to all but his childhood friend and kouhai, Kei Shindo. One cold Christmas after meeting a mysterious woman in church, a strange girl steals his bike. Running after her, he finds her collapsed on the street. Learning her name is Miyamura Miyako, and that her bag was stolen by a man on a motorbike, Hirono finds himself spending time with Miyako, much to the dismay of Kei...
Rikuto had a new younger brother Ayumu after his father’s remarriage. However, little did he know that Ayumu was actually a girl and it was under her mother’s orders that she pretend to be a boy to him. Every day, his heart beats a little faster around his overly cute brother (sister), while her heart aches in having to hide her true identity from her kind brother. With the arrival of spring, Rikuto and Ayumu begin attending the popular private school Asaoka Academy, with Ayumu dressed up as a girl. As Rikuto becomes friends with his classmates, he notices that they all have something missing. His friend from middle school, Matsuri, has lost sight of what it meant to be a girl. The cool-mannered Mao dresses as a boy even though she is a girl. The extremely shy class rep Kimika wishes to change herself. With Ayumu by his side, he sets out to help them seek out what they are missing.
Chihaya is a boy that is looked down because he looks like a girl. Due to that reasons, he isolates himself at home. His mom suggests that he should go to Seiou Academy which is an all girls school. Thus, the story started...
The story revolves around a high school student, Kono Takaaki. He spends high school days in spring with girls, such as the childhood friends, Yusuhara Konomi and Kosaka Tamaki, and he encounters various girls of unique personalities.