To Your Eternity

Title: To Your Eternity / Fumetsu no Anata e
Author/ Artist: OOIMA Yoshitoki
Character: Iddy
[Haircut Scene]
Vol. 10
Vol. 11
Ch. 84 [before haircut]
Ch. 98 [before haircut][after haircut]*
Wiki:
https://fumetsunoanatae.fandom.com/wiki/Iddy
Other:
https://www.mangaupdates.com/series.html?id=137169