http://www.mangago.me/read-manga/daiji_na_koto_na_no_de_nido/bt/311226/Vol1_Ch1/ Does anyo...

Definitely looks like the work of Tennouji Mio but I'm not sure the exact story... ^^"

Thanks for answering and that's the author I was looking forლ(´ڡ`ლ)

Thanks ლ(´ڡ`ლ) that's the author I was looking for

http://www.mangago.me/read-manga/ai_wa_sekai_o_sukuu_no_ka/
http://www.mangago.me/read-manga/ai_wa_sekai_o_sukuu_no_ka/mf/v01/c002/8/