Please help

You wanted to know the last one (on the right at the bottom), right? The title is Nii-san no Tomodachi - https://www.mangaupdates.com/series.html?id=143483

Thank youu very much, and i want to all that 4 picture, thank you

Ahhh ok, sorry I didn't understand xD Here are the other titles:
1 Zantei Boyfriend -  http://www.mangago.me/read-manga/zantei_boyfriend/
2 Boku wa Subete o Shitte Iru -  http://www.mangago.me/read-manga/boku_wa_subete_o_shitteiru/
3 Konomi ja Naka to -  http://www.mangago.me/read-manga/konomi_ja_naka_to/
(●'◡'●)ﾉ

Thank you, thank you soooo much, (≧∀≦)