I really hope you can help me find these manga. ~~

1: This manga is a shoujo manga. It about a guy(maybe a playboy) fall in love with a girl for the first time and tried really hard to pursued her. Doing anything for her. Even went into a drain just try to searched her butterfly hairpin. Unfortunately, the girl in love with other guy and that guy also like her but in the end, the former maybe playboy and the girl end up together.

2: Also a shoujo manga. The guy in this manga are maybe playboy but he only love his childhood friend, it a girl. Unfortunately, his childhood friend have a boyfriend and he know more about her than the playboy. In the end, he didn't get the girl.

¤ I'm a female human that want to explore the universe so I can find another Earth. ¤
♢ I'm a female human that want to sleep underwater cuz I find it surprisingly calm ♢
% I'm a female human that want to become a scientist but I can't because I don't like math, add-math and physics. %
@ I'm also a female human that just to stay in my room and wasting my time with favourite anime and manga. @

I'm also a female human that obsess with reverse harem related.

1 sounds like Getsuyoubi Kara Kataomoi

Yup ~ Thank you very much for helping me. Still searching for No.2 ~

¤ I'm a female human that want to explore the universe so I can find another Earth. ¤
♢ I'm a female human that want to sleep underwater cuz I find it surprisingly calm ♢
% I'm a female human that want to become a scientist but I can't because I don't like math, add-math and physics. %
@ I'm also a female human that just to stay in my room and wasting my time with favourite anime and manga. @

I'm also a female human that obsess with reverse harem related.

Bump ~

¤ I'm a female human that want to explore the universe so I can find another Earth. ¤
♢ I'm a female human that want to sleep underwater cuz I find it surprisingly calm ♢
% I'm a female human that want to become a scientist but I can't because I don't like math, add-math and physics. %
@ I'm also a female human that just to stay in my room and wasting my time with favourite anime and manga. @

I'm also a female human that obsess with reverse harem related.